The functionality to decide, whether the edge is degenerated, was shared via BRepLib_MakeFace. The verification of producing degenerated edges was added to BRepLib_MakeShell.
Test case for issue CR25591
License statement text corrected; compiler warnings caused by Bison 2.41 disabled for MSVC; a few other compiler warnings on 54-bit Windows eliminated by appropriate type cast
Wrong license statements corrected in several files.
Copyright and license statements added in XSD and GLSL files.
Copyright year updated in some files.
Obsolete documentation files removed from DrawResources.
