[FIX] update dependencies, and prevent Medium from filtering for the time being

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/experimental@50625 b456876b-0849-0410-b77d-98878d47e9d5
[FIX] update dependencies

git-svn-id: file:///var/local/code.tiki.org/tikisvn/branches/experimental@50626 b456876b-0849-0410-b77d-98878d47e9d5