implemented Max's suggestions

CMakeLists.txt

cmake/CorsikaUtilities.cmake

corsika/detail/framework/geometry/CoordinateSystem.inl

corsika/detail/framework/geometry/Point.inl

corsika/detail/framework/geometry/Vector.inl

corsika/framework/core/PhysicalUnits.hpp

corsika/framework/geometry/CoordinateSystem.hpp

corsika/framework/geometry/QuantityVector.hpp

tests/CMakeLists.txt

tests/common/CMakeLists.txt

tests/common/PhysicalUnitsCatch2.hpp

tests/framework/testCOMBoost.cpp

tests/framework/testGeometry.cpp