Transition to Modern CMake

Florian Uhlig requested to merge f.uhlig/cbmroot:mr-upstream-1006 into cmake_ana_dev

Gtest and GtestMain Target created which depend on GTEST target

Remaining files which haven't been changed in modern cmake. MQ/monitor : Transition in Modern CMake core/data/test: Transition to Modern CMake reco/qa: Transition to Modern CMake tutorial/TaskToAlgo: Transition to modern CMake

Merge request reports