Improved RTL language layout in public-side theme

git-svn-id: http://textpattern.googlecode.com/svn/development/4.x@5902 2fea6a4d-a838-0410-917b-93a53c48e9d2
Less specificity in RTL jQuery UI rules

git-svn-id: http://textpattern.googlecode.com/svn/development/4.x@5903 2fea6a4d-a838-0410-917b-93a53c48e9d2