[ENH] Layout improved (button aligned with label, and bottom margin added).

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@49342 b456876b-0849-0410-b77d-98878d47e9d5
[REF] Replace table.formcolor with Bootstrap form layout. Todo: improve tr strings, indentation, duplicate-forum layout.

git-svn-id: file:///var/local/code.tiki.org/tikisvn/trunk@49343 b456876b-0849-0410-b77d-98878d47e9d5