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.
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git-svn-id: http://core.svn.wordpress.org/trunk@25963 1a063a9b-81f0-0310-95a4-ce76da25c4cd
jshint: fixes for revisions.js, props adamsilverstein, fixes #25864.
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git-svn-id: http://core.svn.wordpress.org/trunk@25964 1a063a9b-81f0-0310-95a4-ce76da25c4cd