FIX: cmake: some remaining references to OPTION_NO_OPENGL replaced with SOFA-MISC_NO_OPENGL.

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9421 b7f1a160-662a-0410-a6d8-bea165342f16
FIX: a few warnings

git-svn-id: svn://scm.gforge.inria.fr/svnroot/sofa/trunk@9422 b7f1a160-662a-0410-a6d8-bea165342f16