Improvements for new CMake configuration
- fix compatibility of
FindCLHEP.cmake
andCLHEPConfig.cmake
(see lhcb/Phys!722 (merged), lhcb/Boole!323 (merged), lhcb/Alignment!151 (merged)) - do not add LbEnv to the runtime PATH of projects (see gaudi/Gaudi!1141 (closed))
Closes #57 (closed) and #58 (closed)