Modify mfc and qt samples for supporting VS 2017.
Create general vcxproj files for all mfc samples.
Correction msvc.bat and msvc_D3D.bat in CSharp sample
Update mfc samples for current state of OCCT
Removing vc8 and vc9 from environment
Update qt samples for compilation with QT5
Update OCCT qt pro files system
Removing from projects files FWOSPlugin.lib.