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.
Added destructor for TDocStd_Document which performs destruction of document in logical order in order to avoid exception when Undo and Redo fields are destructed after THF_Data field.
Added removing name of closed document from tcl variables in the DRAW in order to avoid exception during use the same name for new document.
Modification to avoid compilation error class ViewerTest
Minor correction in test caf basic G3
