Broken custom presentations Sample2D_Text and ISession_Text
have been replaced by AIS_TextLabel.
ISession2D_Curve::Compute() - fixed defining the group without presentation aspects.
GeomSources - fixed assigning custom attributes.
Some warnings were removed from MFC samples
All warnings of sample projects with warning level 4 were fixed on VC9
Warnings level increased to -W4 in projects of MFC samples; sample ReadMe files added to documentation
Changes in Viewer2dDoc.cpp and OcafDoc.cpp were restored.
Minor corrections in documentation
CMake meta-projects for samples were added
launch script for samples was added
unrelated changes: CSF_GraphicShr variable were removed
occt building with cmake article was updated