Add .spec file generation to Common.cmake
Add .spec file generation to Common.cmake

shuaibarshad/KAUST-CMake,shurikasa/CMake,jafyvilla/CMake,rballester/vmmlib,shuaibarshad/KAUST-CMake,biddisco/CMake,ptoharia/CMake,ptoharia/CMake,biddisco/CMake,jafyvilla/CMake,hernando/vmmlib,BlueBrain/Tuvok,shurikasa/CMake,biddisco/CMake,hernando/vmmlib,ptoharia/CMake,shurikasa/CMake,tribal-tec/vmmlib,shuaibarshad/KAUST-CMake,shuaibarshad/KAUST-CMake,biddisco/CMake,BlueBrain/Tuvok,BlueBrain/Tuvok,shurikasa/CMake,rballester/vmmlib,rballester/vmmlib,jafyvilla/CMake,ptoharia/CMake,jafyvilla/CMake,hernando/vmmlib