[FIX] Bidi: replace CSS3 text-align: start with text-align: right for RTL as no version of IE supports it yet

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@49861 b456876b-0849-0410-b77d-98878d47e9d5
[MRG] Automatic merge, branches/12.x 49857 to 49861

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@49862 b456876b-0849-0410-b77d-98878d47e9d5