[FIX] activity stream features are advanced, not show always

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48722 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] List pages wikiplugin should depend on feature

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/12.x@48723 b456876b-0849-0410-b77d-98878d47e9d5