More targeted background image styling for admin menu SVG icons. fixes #25147.


git-svn-id: https://develop.svn.wordpress.org/trunk@26671 602fd350-edb4-49c9-b593-d223f7449a82
Twenty Fourteen: remove trailing slashes on void elements such as meta and link, and remove type attribute from script element. See #24499.

git-svn-id: https://develop.svn.wordpress.org/trunk@26672 602fd350-edb4-49c9-b593-d223f7449a82
Twenty Fourteen: string cleanup, see #26437.

git-svn-id: https://develop.svn.wordpress.org/trunk@26673 602fd350-edb4-49c9-b593-d223f7449a82
Twenty Fourteen: add future TODO for post format string plurals, see #23257.

git-svn-id: https://develop.svn.wordpress.org/trunk@26674 602fd350-edb4-49c9-b593-d223f7449a82