Add `stl' and `exceptions' to config.
Add `stl' and `exceptions' to config.

It doesn't appear to matter, but according to the docs we should
have these listed.

git-svn-id: 353be9ac11a1e711854a13efcc2fc17d9d6b83e7@685 c36c8488-0289-0348-9b64-b301f74bd9a7

BlueBrain/Tuvok,BlueBrain/Tuvok,BlueBrain/Tuvok