More pairing back of the jQuery UI CSS

git-svn-id: http://textpattern.googlecode.com/svn/development/4.x@5212 2fea6a4d-a838-0410-917b-93a53c48e9d2
Clean up.

git-svn-id: http://textpattern.googlecode.com/svn/development/4.x@5213 2fea6a4d-a838-0410-917b-93a53c48e9d2
Booleans, no integers here.

git-svn-id: http://textpattern.googlecode.com/svn/development/4.x@5214 2fea6a4d-a838-0410-917b-93a53c48e9d2
Iron out nonsensical toggleDisplay().

git-svn-id: http://textpattern.googlecode.com/svn/development/4.x@5215 2fea6a4d-a838-0410-917b-93a53c48e9d2
Merge remote-tracking branch 'upstream/master'