[FIX] delete all anon ratings

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52629 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] check for "0", don't set

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52630 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] filegals: Don't move drawings (image/svg+xml "files") out of the database as they stop working

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/13.x@52631 b456876b-0849-0410-b77d-98878d47e9d5
[MRG] Automatic merge, branches/13.x 52625 to 52631

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@52632 b456876b-0849-0410-b77d-98878d47e9d5