Use / add Qt, since it's currently needed.
Use / add Qt, since it's currently needed.

Need to get the replacement rasterizer up and running before we
can disable it in Tuvok globally.

git-svn-id: 83c4c97093aeea62ac982fbfd516bf9db27f5c99@1987 c36c8488-0289-0348-9b64-b301f74bd9a7

BlueBrain/Tuvok,BlueBrain/Tuvok,BlueBrain/Tuvok