ui improvements: wiki disucussion option -- if forum is isabled, don't allow selection (link to enable). if no forums are available, don't present an empty drop list (link to create new forum)
ui improvements: wiki disucussion option -- if forum is isabled, don't allow selection (link to enable). if no forums are available, don't present an empty drop list (link to create new forum)


git-svn-id: 79db53bec14f0ce9f7a86eb71e89624f126ad069@11159 b456876b-0849-0410-b77d-98878d47e9d5

oregional/tiki,tikiorg/tiki,tikiorg/tiki,oregional/tiki,changi67/tiki,tikiorg/tiki,tikiorg/tiki,oregional/tiki,changi67/tiki,changi67/tiki,changi67/tiki,changi67/tiki,oregional/tiki