Added supported C++ compile features and updated min. req. compiler versions.
Added supported C++ compile features and updated min. req. compiler versions.

iwegner/MITK,NifTK/MITK,RabadanLab/MITKats,MITK/MITK,RabadanLab/MITKats,NifTK/MITK,fmilano/mitk,iwegner/MITK,fmilano/mitk,iwegner/MITK,iwegner/MITK,fmilano/mitk,RabadanLab/MITKats,NifTK/MITK,MITK/MITK,NifTK/MITK,RabadanLab/MITKats,MITK/MITK,iwegner/MITK,MITK/MITK,iwegner/MITK,MITK/MITK,NifTK/MITK,MITK/MITK,NifTK/MITK,RabadanLab/MITKats,fmilano/mitk,fmilano/mitk,fmilano/mitk,fmilano/mitk,RabadanLab/MITKats