Added OCaml gmp bindings mlgmp
upgraded ocaml-mysql to 1.1.1
upgraded freeglut to 2.8.1 (menu are broken in 2.8.0)
fixed dependencies of camlimages
added glsurf package
camlimages ... still wasn't ok. Now better.
Drop useless dependencies in glsurf
Merge pull request #636 from craff/glsurf

Glsurf (3D drawing of implicit surfaces and curves)