do not replace PATH, LD_LIBRARY_PATH, etc. variables by default
do not replace PATH, LD_LIBRARY_PATH, etc. variables by default when 'config.sh' is executed (strange default behaviour of the FairRoot 'config.sh' script)
do not replace PATH, LD_LIBRARY_PATH, etc. variables by default when 'config.sh' is executed (strange default behaviour of the FairRoot 'config.sh' script)