Support of old persistence (CSFDB format) is removed from OCCT samples (C#, MFC and Qt)
Motor model from data/csfdb is converted from CSFDB to BRep format and put to data/occ (Motor-c.brep)
Some corrections; test cases were added; coding standards in MFC samples & presentations
Request stencil buffer for Linux.
correct test cases; correct compilation errors
compilation warnings (gcc/Linux)