remove rewatch
[BUGFIX beta] Make mandatory setter more helpful.
Merge pull request #9392 from rwjblue/improve-mandatory-setter-assertion

[BUGFIX beta] Make mandatory setter more helpful.
[BUGFIX beta] Bump HTMLBars to fix IE9 issues
[BUGFIX beta] Assert state of DOM for property changes instead of using jQuery
Remove code-climate complains
Merge pull request #9396 from mixonic/ie9

[BUGFIX beta] IE9 Fixes
Merge pull request #9397 from cibernox/clean_brocfile

Remove code-climate complains in brocfile
Raise an error when attempting to merge an Array from mergedProperties
Make blockHelperMissing a no-op

In Handlebars 2.0, blockHelperMissing is only used for Mustache compatibility.
Merge pull request #9402 from mmun/noop-block-helper-missing

Make blockHelperMissing a no-op
[DOC beta] Fix isEmpty description
Merge pull request #9404 from cxfree/isempty-description-fix

[DOC beta] Fix isEmpty description
Remove DAG implementation.

As of https://github.com/emberjs/ember.js/pull/5677 the DAG is pulled in
from Bower, this file is no longer needed.
Refactor Ember.platform.

Split various polyfils into separate files.  This will ultimately be
pulled into 1.8 beta series.
[BUGFIX beta] Only tests mandatory-setter in ES5 browers.
[BUGFIX beta] Remove trailing commas for old IE.
Merge pull request #9405 from rwjblue/dag-leftovers

Remove DAG implementation.
Merge pull request #9407 from rwjblue/fix-tests-for-es3

[BUGFIX beta] ES3 browser fixes.
Merge pull request #9406 from rwjblue/refactor-platform

Refactor Ember.platform.