We shall pledge to run `jshint` before committing.

Props nacin for the nudge.


Built from https://develop.svn.wordpress.org/trunk@27435


git-svn-id: http://core.svn.wordpress.org/trunk@27282 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Make widget customizer code pass JSHint.

Fixes #27298.


Built from https://develop.svn.wordpress.org/trunk@27436


git-svn-id: http://core.svn.wordpress.org/trunk@27283 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Revisions: Restore [24929] which was reverted in [26072].

props avryl.
fixes #27267.
Built from https://develop.svn.wordpress.org/trunk@27437


git-svn-id: http://core.svn.wordpress.org/trunk@27284 1a063a9b-81f0-0310-95a4-ce76da25c4cd