Turn off debug mode in revisions.

See #24425.

git-svn-id: https://core.svn.wordpress.org/trunk@24699 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Compress scripts/styles: 3.6-beta4-24700.

git-svn-id: https://core.svn.wordpress.org/trunk@24700 1a063a9b-81f0-0310-95a4-ce76da25c4cd