Programs: imc/utils.py: Added compare_versions() function.
Programs: imc_blob.py: Do not generate blob if MD5 of IMC.xml matches the sum in Constants.cpp
Programs: imc_tests.py: Do not generate tests if MD5 of IMC.xml matches the sum in Constants.cpp
CMake: Adapted IMC.cmake to use new arguments of IMC generators.
Merge branch 'feature/imc-cleanup'