Live network counts of users and sites for small networks.

props adamsilverstein, jeremyfelt.
fixes #22917.


git-svn-id: http://develop.svn.wordpress.org/trunk@25621 602fd350-edb4-49c9-b593-d223f7449a82
Only show top-level items when adding pages to a User's First Nav Menu. (This is also the title of Dave's first children's book.)

props lessbloat.
fixes #25122.


git-svn-id: http://develop.svn.wordpress.org/trunk@25622 602fd350-edb4-49c9-b593-d223f7449a82
Twenty Fourteen: change the background color a bit more on hover for main navigation submenus. See #25220.

git-svn-id: http://develop.svn.wordpress.org/trunk@25623 602fd350-edb4-49c9-b593-d223f7449a82
Twenty Fourteen: make the content sidebar optional and alter the layout to full-width if the sidebar is not active, but without adding wider featured image (for now). Props iamtakashi, closes #25031.

git-svn-id: http://develop.svn.wordpress.org/trunk@25624 602fd350-edb4-49c9-b593-d223f7449a82
Twenty Eleven: update code comments to reflect WP inline docs standards. Props DrewAPicture, see #25256.


git-svn-id: http://develop.svn.wordpress.org/trunk@25625 602fd350-edb4-49c9-b593-d223f7449a82
Twenty Twelve: simplify header image check, props obenland. Closes #25400.

git-svn-id: http://develop.svn.wordpress.org/trunk@25626 602fd350-edb4-49c9-b593-d223f7449a82
Twenty Ten: update code comments to reflect WP inline docs standards. Props DrewAPicture, closes #25256.

git-svn-id: http://develop.svn.wordpress.org/trunk@25627 602fd350-edb4-49c9-b593-d223f7449a82
Improve inline documentation for `wp_insert_post()` by adding a hash notation.

See #25412.


git-svn-id: http://develop.svn.wordpress.org/trunk@25628 602fd350-edb4-49c9-b593-d223f7449a82