Add LargeFileC to build.
Add LargeFileC to build.

Also move base class and 'EndianFile' to the general variable
definitions... those should work on all platforms, not just Unixy
ones.

git-svn-id: 83c4c97093aeea62ac982fbfd516bf9db27f5c99@1968 c36c8488-0289-0348-9b64-b301f74bd9a7

BlueBrain/Tuvok,BlueBrain/Tuvok,BlueBrain/Tuvok