Cleaned out some commented code.  Added some more diagnostic messages in the code that tries to find a good X Visual; changed the visual selection code so that it accepts only visuals with depth buffers with precision >= 8 bits.
Cleaned out some commented code.  Added some more diagnostic messages in the code that
tries to find a good X Visual; changed the visual selection code so that it accepts
only visuals with depth buffers with precision >= 8 bits.


git-svn-id: 28d9401aa571d5108e51b194aae6f24ca5964c06@3532 8cc4aa7f-3514-0410-904f-f2cc9021211c

crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS,crystalspace/CS