Twenty Fourteen: remove the pattern image used as a placeholder for featured images. This greatly improves the "first run" experience of the theme and gives it a more general appeal as a blog theme by putting less of a requirement on featured images. Props iamtakashi, fixes #25859.

git-svn-id: http://develop.svn.wordpress.org/trunk@26034 602fd350-edb4-49c9-b593-d223f7449a82
jshint: fixes for revisions.js, props adamsilverstein, fixes #25864.

git-svn-id: http://develop.svn.wordpress.org/trunk@26035 602fd350-edb4-49c9-b593-d223f7449a82
Twenty Fourteen: clean up inconsistencies in content template files. Props iamtakashi, fixes #25868.

git-svn-id: http://develop.svn.wordpress.org/trunk@26036 602fd350-edb4-49c9-b593-d223f7449a82
Twenty Fourteen: move all controls for managing Featured Content to the Customizer. Also implement smart fallbacks to not using a custom tag with the "featured" tag and sticky posts. Props obenland and celloexpressions, see #25549.

git-svn-id: http://develop.svn.wordpress.org/trunk@26037 602fd350-edb4-49c9-b593-d223f7449a82
Twenty Fourteen: add contextual help text to Background and Colors controls in Customizer, using the `description` field. Props rachelbaker, see #25869.

git-svn-id: http://develop.svn.wordpress.org/trunk@26038 602fd350-edb4-49c9-b593-d223f7449a82
Twenty Fourteen: better override for Background and Colors descriptions in Customizer, props obenland. See #25869.

git-svn-id: http://develop.svn.wordpress.org/trunk@26039 602fd350-edb4-49c9-b593-d223f7449a82
Use only one var per scope in our password-strength-meter tests.

props kadamwhite.
see #25187.


git-svn-id: http://develop.svn.wordpress.org/trunk@26040 602fd350-edb4-49c9-b593-d223f7449a82
Update jshint grunt task to exclude eqeqeq and curly for now, until we've resolved other code smells.

props kadamwhite.
see #25187.


git-svn-id: http://develop.svn.wordpress.org/trunk@26041 602fd350-edb4-49c9-b593-d223f7449a82
Ignore wp-langs-en.js during linting, per azaozz. see #25187.


git-svn-id: http://develop.svn.wordpress.org/trunk@26042 602fd350-edb4-49c9-b593-d223f7449a82
Grunt: limit JSHint's run to a single specified file. Run with grunt jshint:core --file=filename.js. Props kadamwhite, see #25187.

git-svn-id: http://develop.svn.wordpress.org/trunk@26043 602fd350-edb4-49c9-b593-d223f7449a82
Twenty Fourteen: legibility improvements for small sidebar text. Fixes #25827 props iamtakashi.

git-svn-id: http://develop.svn.wordpress.org/trunk@26044 602fd350-edb4-49c9-b593-d223f7449a82