CHANGELOG

*Ember 1.0.0-rc.2 (March 29, 2013)*

* Improved the App initialization process and deprecated Ember.Application#initialize. If you were using this, use deferReadiness and advanceReadiness instead.
* Added support for Ember.Application#then which fires similarly to the isReady hook
* Added more Ember.computed macros
* Added readOnly flag for computed properties
* Enumerable#compact now removes undefined values
* Fixed issue with unregistering actions on virtual views
* Make Ember.LinkView public
* Add support for jQuery 2.0
* Support browsers (FF 10 or less) that don't support domElement.outerHTML
* Made it easier to augment the Application's container's resolver
* Support tag as an alias for tagName in the {{view}} helper
* Add 'name' to attributeBinding for Ember.TextField and Ember.Select
* Return merged object from Ember.merge
* Deprecate setting tagNames on Metamorphs - Refs #2248
* Avoid parent's implicit index route clobbering child's explicit index.
* App#reset behaves more closely to App#create
* Make Evented#on, #off, and #one chainable
* Add basic implementation of allowedKeys for the {{action}} helper
* Improved Ember.Array#slice implementation
* Fix ArrayProxy arrangedObject handling - Fixes #2120, #2138
* Added ability to customize default generated controllers and routes
* Better HistoryLocation popstate handling - Fixes #2234
* Fix an issue with IE7
* Normalized Ember.run.later and Ember.run.next behavior.
* Fix issue where classNameBindings can try to update removed DOM element.
* Ember.Array methods always return Ember.Arrays
* RSVP is now exposed as Ember.RSVP
* ObjectProxy does not attempt to proxy unknown properties on create
* Can now set ENV.LOG_VERSION to false to disable version logging
* Ember.ArrayController#lastObject no longer raises when empty
* Fixes to {{render}} helper when used with model
* Improvements to {{linkTo}} controller handling
* Fix {{bindAttr}} when targeting prop in {{#each prop in array}} - #1523
* String#camelize lowercases the first letter
* Other miscellaneous bug fixes and documentation improvements

*Ember 1.0.0-rc.1 (February 15, 2013)*

* Upgrade to Handlebars 1.0.0-rc.3
* Update RSVP.js
* Update router.js
* Support 0 values for input tags
* Support for jQuery 1.9
* ArrayController now defaults to empty array
* Added Vagrant support for setting up a development environment
* Adds {{each itemController="..."}}
* Fix issues where route transitions would not register properly
* Initial support for Application#reset
* Fix handling of keywords in bind helpers
* Better handling of DOM properties
* Better handling of complex {{#if}} targets
* {{linkTo}} shouldn't change view context
* Router#send accepts multiple params
* Provide a view's template name for debugging
* Create activate and deactivate hooks for router
* {{action}} targets are now looked up lazily
* The model for Route#render is now bound
* Improvements to ContainerView
* Added 'pattern' attribute to text field for iOS.
* CollectionView context is now its content
* Various enhancements to bound helpers: adds multiple property support to bound helpers, adds bind-able options hash properties, adds {{unbound}} helper support to render unbound form of helpers.
* Add App.inject
* Add Ember.EnumberableUtils.intersection
* Deprecate Controller#controllerFor in favour of Controller#needs
* Adds `bubbles` property to Ember.TextField
* Allow overriding of Ember.Router#handleURL
* Allow libraries loaded before Ember to tie into Ember load hooks
* Fixed behavior with Route#render and named outlets
* Fix bug where history location does not account for root URL
* Allow redirecting from mid-route
* Support string literals as param for {{linkTo}} and {{action}}
* Empty object proxies are no longer truthy in {{#if}}

*Ember 1.0.0-pre.4 (January 17, 2013)*

* Add {{partial}}
* Fix regressions in router.js
* Support jQuery 1.9.0
* Use the controller with the same name as the template passed to render, if it exists

*Ember 1.0.0-pre.3 (January 17, 2013)*

* BREAKING CHANGE: New Router API
* BREAKING CHANGE: `Ember.Object.create` behaves like `setProperties`. Use `createWithMixins` for the old behavior.
* BREAKING CHANGE: No longer default a view's context to itself
* BREAKING CHANGE: Remove the nearest view computed properties
* Significant performance improvements
* Bound handlebars helpers with `registerBoundHelper`
* Ember.String improvements
* TextSupport handles input, cut, and paste events
* Add `action` support to Ember.TextField
* Warn about using production builds in localhost
* Update Metamorph
* Deprecate Ember.alias in favour of Ember.aliasMethod
* Add Ember.computed.alias
* Allow chaining on DeferredMixin#then
* ArrayController learned itemControllerClass.
* Added VagrantFile and chef cookbooks to ease ember build for developers.
* Provide an Ember.Handlebars precompilation package
* Removed Tab controls
* Fix Chrome (pre v25) MutationObserver Memory Leak
* Update to Promises/A+ compatible RSVP
* Improved instrumentation
* Rename empty to isEmpty and none to isNone
* Added support for toStringExtension to augment toString
* Implement a default computed property setter.
* Add support for unhandledEvent to StateManager.
* Load external dependencies via an AMD shim
* Pass in the old value into the CP as a third argument
* Deep copy support for NativeArray
* Added an afterRender queue for scheduling code to run after the render queue has been drained
* Implement _super() for computed properties
* Miscellaneous bug fixes
* General cleanup

*Ember 1.0.0-pre.2 (October 25, 2012)*

* Ember.SortableMixin: don't remove and reinsert items when their sort order doesn't change.  Fixes #1486.
* Fix edge cases with adding/removing observers
* Added 'disabled' attribute binding to Select
* Deprecate usage of {{collection}} without a class in favor of {{each}}
* Changing `Ember.Handlebars.getPath` to `Ember.Handlebars.get` for consistency. This addresses #1469.
* Since `$.uuid` was removed from jQuery master, we're switching to using `Ember.uuid` instead.
* Add Ember.View#nearestOfType, deprecate nearestInstanceOf
* Adds support for globbed routes
* Remove CP_DEFAULT_CACHEABLE flag
* Remove VIEW_PRESERVES_CONTEXT flag
* Replace willRerender with willClearRender
* Bumped jQuery requirement to 1.7.2+, explicitly forbidding 1.7 and 1.7.1 (see: #1448)
* Add Ember.String.classify() to string extensions
* HistoryLocation now utilizes history.replaceState
* Add a basic instrumentation API
* Allow extension of chosen prototypes instead of the current all or none.
* Remove dependency on `window` throughout Ember
* Don't attempt to concat a concatenatedProperty onto an object that doesn't have a concat method
* Remove ember-views dependency from ember-states
* Multiselect updates array content in place.
* Support applications without a router
* Add Ember.Deferred mixin which implements promises using RSVP.js
* Fix for popstate firing on page load.
* Fixed bug in CP setter where observers could be suspended and never restored.
* Fixed a bug with setting computed properties that modify the passed in value.
* Initial work to allow operation with handlebars runtime only
* A listener registered with one can be removed with off
* Calling removeListener without method should remove all listeners
* Add autoinit flag to Application to call initialize on DOM ready.
* Create view for application template if no ApplicationView.
* Remove support for inline anonymous templates.
* Rename createRouter to setupRouter to make clear.
* Extract createRouter from Application#initialize
* Extract runInjections from Application#initialize
* Simplify syntax so we can extract more easily
* Extract createEventDispatcher from Application#init
* Update for Handlebars 1.0.rc.1
* Fix State.transitionTo to handle multiple contexts
* Cleanup classNameBindings on remove
* Support defining injections to occur after other injections
* Computed prop setter improvements
* fix :: syntax in classNameBindings to work with falsy values
* Fix Ember.Error properties
* Improved error handling with Ember.onerror
* Adds currentPath to Ember.StateManager
* Provide default args to tryInvoke - fixes #1327
* Fix a bug in multi-selects with primitive options
* Fix formatURL to use rootURL and remove formatPath
* Fixing Ember.Router.route when rootURL is used
* ContainerViews should invalidate `element` on children when rendering.
* Add test for selecting in multi selects with prompts
* Fix: Passing a regex to split in IE8 returns a single item array, causing class names beginning with a colon to fail to render in IE8.
* Adding itemViewClass attribute to the each helper.
* Reorganize load hooks to be more sane
* Improve application readiness framework
* Small restructuring of ArrayProxy
* Add #setObjects to mutable array. A helper for replacing whole content of the array with a new one.
* Fixed selecting items in ember multi-selects
* Add disconnectOutlet method to controller
* The content property of an ArrayProxy instance should be defined before modifying it
* Adds a has() method to Ember.OrderedSet
* Adds hooks for suspending observers
* Check that a controller inherits from Ember.Object before instantiating it to the router.
* Support jQuery 1.8 - fixes #1267
* Ember.empty returns true if empty Ember.ArrayProxy
* add scheduleOnce and remove flag
* add various lifecycle tests to check updated ContainerView path. Expose problem with flag for scheduling one time.
* Moving location tests to routing package
* Make outlet a Metamorph view
* Tests showing problem with adding and replacing
* refactor ContainerView children rendering to not make assumptions at scheduling time, just at render time.
* Remove remaining references to viewstates
* Select element should initialize with the correct selectedIndex when using valueBinding
* Remove deprecated Ember.ViewState.
* Handle undefined element in bindAttr and classNameBindings
* Render now uses context instead of _context
* Better version replacement regexp
* Outlets reference context instead of controller.
* Rakefile :clean remove 'tmp' folder
* Performance improvements

*Ember 1.0.pre (August 03, 2012)*

* Return undefined instead of empty jQuery object for Ember.View#$ when not in DOM
* Adds didDefineProperty hook
* Implement immediateObserver placeholder in preparation for making observers asynchronous
* Change {{action}} API for more explicit contexts
* Add connectControllers convenience
* Assert that transitionTo at least matched a state
* Delay routing while contexts are loading
* Also rename trySetPath to trySet
* Replaced getPath/setPath with get/set
* Remove LEGACY_HANDLEBARS_TAG flag
* Add two new core methods to allow invoking possibly unknown methods on objects
* Change ternary syntax to double colon sytax
* Add tests for ternary operator in class bindings
* Test for defined Router lacking App(View|Controller)
* Allow alternate clicks for href handling - Fixes #1096
* Respect initialState when transitioning to parent of current state - Fixes #1144
* add reverseObjects
* Fixing rootURL when path is empty
* HistoryLocation appends paths to router rootURL
* Make Ember.Logger support the 'info' and 'debug' methods on fallback (for IE8).
* Support currentView on init if ContainerView is created with one
* {{bindAttr class="this"}} now works; fixes #810
* Allow connectOutlet(outletName, name, context) syntax
* turn on mandatory setter for ember-debug if not set
* Change the default setUnknownProperty to define it before setting.
* {{view}} now evaluates the context of class bindings using the same rules applied to other bindings
* dataTransfer property for drag and drop events
* require jQuery 1.7, no longer accept 1.6
* add mandatory setter assertion
* Add date comparison to Ember.compare
* We use jquery event handling for hashchange/popstate
* Deprecate Ember.Tabs - Fixes #409
* Remove data-tag-name "feature" from <script> tags
* Only register Ember.View.views for non virtual views
* Add support for tabindex in Ember Controls.
* Only push new history when initialURL has changed
* Support basic States inside of Routes
* Refactor context handling for States and Routes
* Make Map copyable
* Assert that path passed to urlFor is valid
* Do not run functions passed to Ember.assert, Ember.warn, and Ember.deprecate
* Allowing developer to turn off verbose stacktrace in deprecation warnings
* Ember.Route.serialize must return a hash
* lazy setup of ComputedProperties
* change convention from var m = meta(obj) to var meta = metaFor(obj)
* add hook for desc for willWatch and didUnwatch
* Call transitionEvent for each nested state - Fixes #977
* Define a 'store' property in ControllerMixin, to avoid proxy-like handling at router initialization (controllers store injection).
* if there is no context, allow for views without controllers
* Add MapWithDefault
* serialize route states recursively
* urlForEvent for a route with a dynamic part doesn't serialize the context
* Don't stopPropagation on action handling by default
* Implement a route's navigateAway event
* Change app.stateManager to app.router
* Allow a one-time event listener on Ember.Evented
* Rename `fire` to `trigger`
* change sendEvent signature from sendEvent(obj, name, …) to sendEvent(obj, name, params) to avoid copying the arguments. Conflicts:
* Deprecate Ember.ViewState
* remove Ember.MixinDelegate
* Call preventDefault on events handled through {{action}}
* Call transitionEvent on initialStates as well as targeted state
* During apply not applyPartial, chains maybe setup, this makes sure they are updated.
* allow computed properties to be overridden
* Change connectOutlet API to prefer Strings
* Fix bug with Ember.Router#route not reflecting redirections in location
* Give Ember.Select prompt an empty value
* Create Ember.ArrayPolyfills
* Rename ArrayUtils to EnumerableUtils
* Use transitionTo rather than goToState
* Improve ArrayUtils by removing unnecessary slices
* Use evented system for dom events on views
* Fix switchToUnwatched so ObjectProxy tests pass.
* Skip mixin properties with undefined values
* Make defineProperty override native properties
* Fix unsupported method errors in older browsers
* Improved Ember.create shim
* Can't use lib/ember.js because we use that for precompiling, so let's use dist/distold instead
* Use `getPath` instead of `get` in computed macros in order to allow 'foo.bar' dependencies
* A route's `serialize` should handle null contexts
* Router.location cannot be null or undefined
* Use 'hash' as default location implementation on Router
* Clean up location stubbing in routable_test
* Instantiate Ember.Location implementation from Router
* Add NoneLocation
* Add options hash syntax to connectOutlet.
* Added 'ember-select' CSS class to Ember.Select, as per the convention with other included views.
* Fix Ember.setPath when used on Ember.Namespaces
* Remove async transitions.
* Enumerate all properties per injection.
* Injections can specify the order they are run.
* Make sortable test deterministic
* Improve invalidation of view's controller prop
* Cleaning up in history location
* Removing lastSetURL from setURL
* Fix bug with computed properties setters not triggering observers when called with a previous value
* Fix failing test
* Adding popstate tests for history based location
* Splitting location implementations from Location
* Use accessors for eventTransitions
* Finish implementation of Sortable mixin
* Move sorting into separate mixin
* Crude sorting on ArrayController
* Split ArrayProxy into content and arrangedContent
* Fix broken upload_latest task by specifying version for github_api
* Add some convenience computed property macros to replace the major usages of binding transforms
* Initial pushState based location implementation
* Support #each foo in this and #with this as bar
* `collection` should take emptyViewClass as string
* Don't update the route if we're routing
* Don't special-case the top-level '/'
* Make routing unwind properly
* Replace occurances of goToState with transitionTo.
* No longer support RunLoop instantiation without `new`.
* Improve naming and code style
* Guard mergeMixins parameters more generally
* Guard against implicit function application by Ember.assert
* Use Ember.assert instead of throw
* Guard against undefined mixins
* Remove unused local variables
* Update gems
* Enable selection by value in Ember.Select.
* Update build URL
* Fix issue with Ember.Select when reselecting the prompt
* Call setupStateManager in initialize, not in didBecomeReady
* Let ES5 browsers actually work
* Lookup event transitions recursively in the ancestor states.
* Support global paths in the with/as helper. Fixes #874
* Views should inherit controllers from their parent
* Semi-hackish memory management for Ember.Application
* Transition to root to enable the back-button
* Insert ApplicationView by default
* Respect href parameter for {{action}}
* Allow setting `target` on `ObjectController`
* Remove deprecated functionality from get/set
* urlFor should raise an error when route property is not defined
* fix build by checking VIEW_PRESERVES_CONTEXT
* Only call formatURL if a location is defined
* URL generation takes into account location type
* Rename templateContext to context
* Change default template context to controller
* Removes deprecated label wrapping behavior and value property of Ember.Checkbox
* ControllerObject class can be initialized with target, controllers and view properties
* Add Ember.State.transitionTo
* Wire up {{action}} to emit URLs
* Use standard StateManager send/sendRecursively and convert state method arguments to include options hash when necessary.
* Correct state transition name to reflect StateMachine state nesting.
* Add urlFor to Router
* make transitionEvent on state manager configurable
* The router's initialState is `root`
* Add redirectsTo in routes
* Make identical assertion messages distinguishable
* Check that tests don't leave open RunLoops behind
* Better Handlebars log helper
* Disallow automatic creating of RunLoops during testing; Require manual Ember.run setup.
* ObjectController
* rename location `style` to `implementation` and add `registerImplementation` method to ease custom implementations
* some sugar for Router initialization
* Fix initialization with non routable stateManager
* bindAttr should work with global paths
* Unbundled Handlebars
* Add Ember.Controller and `connectOutlet`
* Initial implementation of outlets
* Implement modelType guessing.
* Add support for modelType in the router

*Ember 0.9.8.1 (May 22, 2012)*

* Fix bindAttr with global paths
* Fix initialization with non routable stateManager
* Better jQuery warning message
* Documentation fixes

*Ember 0.9.8 (May 21, 2012)*

* Better docs
* Preliminary routing support
* Properly handle null content in Ember.Select - fixes #775
* Allow a context to be passed to the action helper
* Notify parentView of childView changes for virtual views
* Extract Ember.Application into a separate package
* Better console handling
* Removed warnings about element not being present in willInsertElement
* Removed old deprecated RunLoop syntax
* Add support for "input" event handlers
* Removed deprecated getPath/setPath global support, deprecated star paths
* Removed Ember.Set.create with enumerable
* Add Ember.Binding.registerTransform
* States should create a childStates array
* Always send Array#contentWillChange with contentDidChange
* Updated Metamorph - fixes #783
* Re-enable enumerable properties: [], firstObject and lastObject
* Add support for #each foo in bar
* Implement {{#with foo as bar}} syntax
* Fixed ordering of MutableArray#unshiftObjects
* Fix Em namespace in dev mode
* Add currentView property to Ember.ContainerView
* Namespace debugging functions, ember_assert, ember_deprecate, and ember_warn are now Ember.assert, Ember.deprecate, and Ember.warn.
* Rename BindableSpanView -> HandlebarsBoundView
* Updated Handlebars to 1.0.0.beta.6
* Ember.cacheFor should return falsy values
* Handlebars actions use a stateManager by default
* Bindings should connect to `this` and not the prototype.
* Fix security error w/ Opera and Frames - fixes #734
* Warn when attempting to appendTo or replaceIn with an existing Ember.View
* Change the context in which {{view}} renders
* Improve error when sending an unimplemented event
* Change didInsertElement function to event callback - fixes #740
* Precompile defaultTemplates for production builds
* Updated uglifier - fixes #733
* Improved the testing stack
* Using the colon syntax with classBinding should allow truthy values to propagate the associated class
* Add safeHtml method to String
* Improved compatibility with Handlebars.SafeString
* Deprecate Ember.Button - closes #436
* Refactor ember-states/view_states out into ember-viewstates so that states is free of ember-views dependency.
* Prevent classNames from being displayed twice
* Added ComputedProperty#volatile to turn off caching
* Support making Computed Properties cacheable by default

*Ember 0.9.7.1 (April 19, 2012)*

* Better escaping method for RenderBuffer
* More rigorous XSS escaping from bindAttr

*Ember 0.9.7 (April 18, 2012)*

* RenderBuffer now properly escapes attribute values. Fixes XSS vulnerability documented in #699.
* Make options an optional argument to Ember.Handlebars.getPath
* getProperties can be called with an array of property names
* Allow for jQuery prereleases and RCs - fixes #678
* Raise if both template and templateName appear
* DRY up createChildView initialization
* Ember.ContainerView should propagate template data
* allows yielded template blocks to be optional
* Fixed substate/parentState test
* Inline views should always have an id - Fixes #655
* Ember.View should not require view method sharing event name.
* Refactor and cleanup Ember.Checkbox
* Normalize keyword paths so that observers work
* Expose view and controller keywords to templates
* Ember.Select allows array selections when multiple=false.
* Ember.ArrayUtils.objectsAt returns correct objects.

*Ember 0.9.6 (March 30, 2012)*

* Significant internal performance improvements
* Improved performance of RenderBuffer
* Avoid unneceesary ping-ponging in binding updates
* Fix infinite loop caused by jQuery.extend with array in older browsers
* Added ENV.SHIM_ES5 option to improve compatibility with Prototype.js
* Added Ember.Evented mixin for internal events
* Removed YES and NO constants
* No longer alias as SC/Sproutcore
* Deprecate lowercase Namespaces
* Improved "destroy" method and added "willDestroy" and "didDestroy" callbacks
* Support static classes in bindAttr
* Allow 'this' to be used in bindAttr
* Make sure States are exited in the proper order
* Deprecate re-rendering while view is inBuffer
* Add contextmenu event support
* {{action}} helper event includes view and context
* Simplified parameters passed by {{action}} helper to StateManager
* Allow the {{action}} helper to use "send" as the action name
* Collection itemViewClass itemHash bindings should be resolved in the proper context.
* Honor emptyViewClass attribute in collection view helper
* Allow View attributeBindings to be aliased.
* Add Ember.getWithDefault
* Add Ember.computed(key1, key2, func)
* Add Ember.Map
* Improvements to OrderedSet
* Warn if classNames or classNameBindings is set to non-array
* Warn when setting attributeBindings or classNameBindings with {{view}} helper
* Warn if user tries to change a view's elementId after creation
* Remove contained items from Ember.Set when calling #clear
* Treat classNameBindings the same as classBinding in the view helper
* Added maxlength to TextSupport; added size to TextField; added rows and cols to TextArea
* Fix bug where DOM did not update when Ember.Select content changed
* Dereference views from parent when viewName is specified and the view is destroyed
* Added "clear" method to Ember.MutableArray
* Added Ember.cacheFor to peek at computed property cache
* Added support for multiple attributes to Ember.Select
* Fix security warning in older Firefox
* Re-render views if the templateContext is changed
* More sugar for creating complex bindings
* Fixed bug where a class could not be reopened if an instance of it had already been created
* Enable unnamed Handlebars script tags to have a custom id with the `data-element-id` attribute
* Testing improvements including headless tests (rake test) and JSHint
* Improved framework build process
* API documentation improvements
* Added benchmarking harness for internals


*Ember 0.9.5 (February 17, 2012)*

* Add Handlebars helper for {{yield}}
* Add a .jshintrc
* Add layout support to Ember.View
* Allow state managers to control their own logging
* Print more useful debug information in state manager
* Fix issues that prevented Ember from being used in iframes
* Fix path resolution for states
* State manager should raise if an event is unhandled
* Attribute Bindings should handle String objects - Fixes #497
* Fixed each/else - fixes #389
* Updated Metamorph - fixes #449
* States hashes misbehave when including classes
* The action helper should prevent default behavior on it's attached element
* Pass the event, view, and context to {{action}} helper actions
* #454 State Exit Methods Should Be Called In Reverse Order
* #454 test StateManager should send exit events in the correct order when changing to a top-level state
* Retrieve child views length after potential mutations
* Metamorph's replace now recursively invalidates childView elements
* Fixes a bug where parent views were not being set correctly when multiple views were added or removed from ContainerView
* Views removed from a container should clear rendered children.
* ContainerView should set parentView on new children
* Add state manager compatibility to action helper
* Adds ability to save metadata for computed properties
* Don't parse text/html by default. Use ENV.LEGACY_HANDLEBARS_TAG to restore this functionality. - Fixes #441
* Fix overzealous deprecation warnings
* Fix bug such that initialState *and* start states will be entered
* Miscellaneous documentation improvements
* Better framework warnings and deprecations

*Ember 0.9.4 (January 23, 2012)*

* Add Ember.Select control
* Added Ember.Handlebars action helper to easily add event handling to DOM elements without requiring a new view
* jQuery 1.7 compatibility
* Added a runtime build target for usage with Node.js
* Instantiate a ViewState's view if it's not already an instance
* In addition to having a rootElement, state managers can now have a rootView property. If this is set, view states will append their view as a child view of that view.
* Views now register themselves with a controller if the viewController property is set
* Other miscellaneous improvements to States
* Allows setting a custom initial substate on states
* ContainerView now sets the parentView property of views that are added to its childViews array.
* Removed ember-handlebars-format, ember-datetime
* Array's [] property no longer notifies of changes. Use @each instead.
* Deprecated getPath/setPath global support
* Ember.Application's default rootElement has changed from document to document.body
* Events are no longer passed to views that are not in the DOM
* Miscellaneous improvements to Ember.Button
* Add return value to Ember.TargetActionSupport.triggerAction()
* Added Ember.Handlebars.precompile for template precompilation
* Fix security exceptions in older versions of Firefox
* Introduce Ember.onerror for improved error handling
* Make {{this}} work with numbers within an #each helper
* Textfield and textarea now bubble events by default
* Fixed issue where Handlebars helpers without arguments were interpreted as bindings
* Add callbacks for isVisible changes to Ember.View
* Fix unbound helper when used with {{this}}
* Add underscore and camelize to string prototype extensions.
* View tagName is now settable from Handlebars <script> template via data-tag-name
* Miscellaneous performance improvements
* Lots of minor bug fixes
* Inline documentation improvements

*Ember 0.9.3 (December 19, 2011)*

* Make sure willInsertElement actually gets called on all child views. Element is still not guaranteed to work.
* Implement tab views and controller
* Fixed some parse errors and jslint warnings
* allow use of multiple {{bindAttr}}s per element

*Ember 0.9.2 (December 16, 2011)*

* add replaceIn to replace an entire node's content with something new
* Use prepend() and after() methods of Metamorph
* Update Metamorph to include after() and prepend()
* Fixed some missing commas which prevented bpm from working
* Safer Runloop Unwinding
* Adding support for <script type="text/x-raw-handlebars">
* Remove parentView deprecation warning

*Ember 0.9.1 (December 14, 2011)*

* Fix jslint warnings related to missing semicolons and variables defined twice
* Alias amber_assert to sc_assert for backwards compat
* Fix toString() for objects in the Ember namespace
* Clear rendered children *recursively* when removing a view from DOM.
* Manually assigns custom message provided new Ember.Error so it will appear in debugging tools.
* Add a currentView property to StateManager
* Duck type view states
* Add license file
* We don't need to support adding Array observers onto @each proxies, so don't bother notifying about them.
* Clean up some verbiage in watching.js
* Cleaned up the build script
* Fixed incorrect test
* Updated references to SproutCore to Ember
* Preserve old behavior for special '@each' keys.
* Making chained keys evaluate lazily and adding unit test
* Adding unit test to demonstrate issue #108.