[Bugfix beta] Allow setting of `undefined` value to a `content` property
Merge pull request #4645 from selvagsz/bugfix_allow_setting_undefined_to_props

[BUGFIX beta] Allow setting of `undefined` value to a `content` property
[BUGFIX beta] Fixes test suite failures relating to QUnitAdapter

Replace start() and window.start() with QUnit.start()
Replace stop() and window.stop() with QUnit.stop()
Remove start and stop from globals
[BUGFIX beta] use Object.keys when possible
Merge pull request #4676 from sly7-7/fix-ember-dot-keys

[BUGFIX beta] use Object.keys when possible
[BUGFIX beta] Update Backburner.
[BUGFIX beta] Ember.onerror now uses Backburner's error handler - #3401
license type
Merge pull request #4677 from rjackson/update-backburner

[BUGFIX beta] Upgrade Backburner, Switch Ember.onerror to Backburner's handler
Merge pull request #4679 from knownasilya/license

Add license type to package.json
Merge pull request #4669 from mfeckie/qunit-window-fix

[BUGFIX beta] Fixes test suite failures relating to QUnitAdapter
[DOC release] Observable addObserver and removeObserver return void.
Merge pull request #4682 from rjackson/rj-rebase-4484

[DOC release] Observable addObserver and removeObserver return void.
[BUGFIX beta] Do not rely on Array.prototype.map for logging version.
Merge pull request #4683 from rjackson/use-enumerable-utils-map-for-library-output

[BUGFIX beta] Do not rely on Array.prototype.map for logging version.
[BUGFIX beta] Add 'autocapitalize' and 'autocorrect' attributeBindings.

For Ios autocompletion disabling
Merge pull request #4685 from rjackson/rj-rebase-4407

[BUGFIX beta] Add 'autocapitalize' and 'autocorrect' attributeBindings.
[BUGFIX beta] Ensure MutableEnumerable test suite is loaded properly.
Merge pull request #4689 from rjackson/enabled-mutable-enumerable-tests

[BUGFIX beta] Ensure MutableEnumerable test suite is loaded properly.