1. Dump of WLine is shown with more precise.
2. Equation solving with more precise.
3. Dump of Multy-line.
4. Code optimization.
Some test cases were updated in accordance with their new behaviour.
Correction of test cases for issue CR25531
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.
