Revisions: pixel perfect tooltips (as far as I can tell), and better checkbox alignment in Firefox.

See #24425.

git-svn-id: http://core.svn.wordpress.org/trunk@24677 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Revisions: Have the tooltip follow the "from" scrubber handle when that is the one being moved, in compare-two mode.

See #24425.

git-svn-id: http://core.svn.wordpress.org/trunk@24678 1a063a9b-81f0-0310-95a4-ce76da25c4cd