Add new mode of writing vertices and parameter to switch on this mode.
Add description of new parameter (write.step.vertex.mode) into documentation.
Small correction of draw-command and test case for issue CR25095
test case correction
Small correction of test case for issue CR23950
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.
