[BUGFIX beta] Do not stringify null classes, allow unquoted bind-attr class
Merge pull request #9914 from mixonic/cnb

[BUGFIX beta] Do not stringify null classes, allow unquoted bind-attr class
[BUGFIX beta] Drop classList, treat classes as quoted attributes
[BUGFIX beta] bound if/unless inside unbound if/unless (#9894)
Merge pull request #9916 from oneeman/bugfix-9894

[BUGFIX beta] bound if/unless inside unbound if/unless (#9894)
Merge pull request #9915 from mixonic/ordering-tests

[BUGFIX beta] Drop classList, treat classes as quoted attributes
[DOC beta] "to be execute" -> "to be executed"

Fix a small typo in the run loop documentation. Rather than saying "code to be execute", say "code to be executed".
Merge pull request #9917 from bgentry/master

[DOC beta] "to be execute" -> "to be executed"
[BUGFIX beta] Consistently use isStream helper.
Merge pull request #9913 from rwjblue/use-is-stream

[BUGFIX beta] Consistently use isStream helper.
[BUGFIX beta] Allow AST plugins to be registered.
Merge pull request #9925 from rwjblue/htmlbars-split-plugins

[BUGFIX beta] Allow AST plugins to be registered.
[DOC] Remove extra word from beforeModel
Merge pull request #9933 from kimroen/patch-2

[DOC] Remove extra word from beforeModel
[DOC beta] Update README.md for language fix

Update README.md to improve language parallelism in steps in "How to Run Unit Tests"

BEFORE: "Then visit http://localhost:4200/. This will run all tests."
AFTER: "To run all tests, visit http://localhost:4200/."
Merge pull request #9934 from alextsg/patch-1

[DOC beta] Update README.md for language
Removes obsolete files

Seems like it's not needed anymore. If that's not the case, feel free to
close this PR.
Merge pull request #9898 from twokul/obsolete-file

Removes obsolete file
[BUGFIX beta] expose Ember.Backburner

exposes Backburner on Ember for private use by
Ember Data.
Merge pull request #9937 from fivetanley/feature-ember-metal-expose-backburner

[bugfix beta] expose Backburner as Ember.Backburner