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.
The methods HasAncestorFaceOn1() and HasAncestorFaceOn1() return true only in the case when their first argument is the new edge built from intersection curve and not an existing common edge.
PCurveOn1() and PCurveOn2() have been removed.
Methods PCurveOn1() and PCurveOn2() removed from BRepAlgo_Section class.
Added test case bugs/modalg_5/bug23881