Changed incorrect 'handelbars' references to 'handlebars'
Streamify template bindings
[BUGFIX] Exclude isEnabled as a possible FEATURES key for warnings
[BUGFIX beta] Do not test property accessors when not available.
Merge pull request #9314 from rwjblue/no-accessors-on-ie8

[BUGFIX beta] Do not test property accessors when not available.
Merge pull request #5522 from mmun/handlebars-streams

Streamify template bindings
[BUGFIX] #9309 needed to include the mock FEATURES flag in the features.json so it isn't stripped in canary
Merge pull request #9311 from jayphelps/oops

[BUGFIX] Canary FEATURES flagging shouldn't produce warnings in canary
SimpleBinding should relay setValue
Merge pull request #9318 from mmun/simple-stream-setvalue

SimpleBinding should relay setValue
Failing test for {{view class=someBoundProp}}.
Ensure that {{view class=someProp}} is not streamified early.
View name resolution regression tests

Issue #5579
Merge pull request #9316 from rwjblue/failing-test-for-bound-class

Fix for {{view class=someBoundProp}}.
[Bugfix beta] if the obj already has the method, don’t bother using call
Merge pull request #9320 from stefanpenner/remove-wastefull-call

[Bugfix beta] if the obj already has the method, don’t bother using call
ensure we don’t needlessly scan the concatenated properties array
remove wasteful hasOwnProperty check, keys(…) above already handles this for us.
Merge pull request #9321 from stefanpenner/cleanup

ensure we don’t needlessly scan the concatenated properties array
[Bugfix beta] apply with arguments is slower, as passing around arguments deopts entire function.