[FIX] Fivealive theme: menu hover highlight interferred with the theme options styles; they did not support it (TODO: add it to all the theme options and uncomment again?)

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@50380 b456876b-0849-0410-b77d-98878d47e9d5