protect 'AddBrick'.
protect 'AddBrick'.

This is an internal method, only meant for implementations to
internally add to its brick table.

git-svn-id: 353be9ac11a1e711854a13efcc2fc17d9d6b83e7@1975 c36c8488-0289-0348-9b64-b301f74bd9a7

BlueBrain/Tuvok,BlueBrain/Tuvok,BlueBrain/Tuvok