[BUGFIX beta] Add `title` attribute binding to Ember.TextSupport
fixes #4463
Enable `trailing` flag in .jshintrc
Trim trailing whitespace.
Update es6-module-transpiler.
Allow multiple arguments to be passed to EmberStringUtils.fmt() Fixes #4383
[BUGFIX beta] don't fire error for already-aborted transition

See https://github.com/tildeio/router.js/pull/87
for deetz
Merge pull request #4518 from xtian/fmt-inconsistency

Allow multiple arguments to be passed to EmberStringUtils.fmt() Fixes #4383
Merge pull request #4364 from xtian/trailing-whitespace

Enable `trailing` flag in .jshintrc
Merge pull request #4479 from bradfol/text-area

[BUGFIX beta] Add `title` attribute binding to Ember.TextSupport
[BUGFIX beta] Fix files that aren't passing JSHint