The possibility to preserve triangulation in the copied shape is implemented.
It may be enabled by copyMesh flag, by default it is disabled.
Depending on copyGeom flag, the triangulation is shared with original shape (if False) or copied (if True).
Poly_Triangulation::Copy() method is added.
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.
