Includes of Handle*.hxx headers replaced by include of corresponding class (where possible without redesign of the classes).
Minor correction against compiler warning (vc10 64-bit) in BOPAlgo
Remove double header inclusions
Correction of minor mistake
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.
