Prefix section list table column classnames

git-svn-id: http://textpattern.googlecode.com/svn/development/4.x@5817 2fea6a4d-a838-0410-917b-93a53c48e9d2
Prefix plugin list table column classnames

git-svn-id: http://textpattern.googlecode.com/svn/development/4.x@5818 2fea6a4d-a838-0410-917b-93a53c48e9d2