fixed exit on help
fixed exit on help

ruvolof/cvmfs,djw8605/cvmfs,DrDaveD/cvmfs,bbockelm/cvmfs,MicBrain/cvmfs,Moliholy/cvmfs,cvmfs/cvmfs,Moliholy/cvmfs,btovar/cvmfs,reneme/cvmfs,djw8605/cvmfs,cvmfs-testing/cvmfs,alhowaidi/cvmfsNDN,trshaffer/cvmfs,Gangbiao/cvmfs,DrDaveD/cvmfs,reneme/cvmfs,cvmfs-testing/cvmfs,reneme/cvmfs,btovar/cvmfs,btovar/cvmfs,trshaffer/cvmfs,MicBrain/cvmfs,DrDaveD/cvmfs,cvmfs/cvmfs,ruvolof/cvmfs,DrDaveD/cvmfs,bbockelm/cvmfs,cvmfs/cvmfs,btovar/cvmfs,DrDaveD/cvmfs,Gangbiao/cvmfs,alhowaidi/cvmfsNDN,reneme/cvmfs,ruvolof/cvmfs,DrDaveD/cvmfs,bbockelm/cvmfs,btovar/cvmfs,alhowaidi/cvmfsNDN,alhowaidi/cvmfsNDN,Moliholy/cvmfs,Gangbiao/cvmfs,cvmfs/cvmfs,bbockelm/cvmfs,cvmfs-testing/cvmfs,cvmfs-testing/cvmfs,djw8605/cvmfs,trshaffer/cvmfs,MicBrain/cvmfs,Gangbiao/cvmfs,cvmfs/cvmfs,reneme/cvmfs,ruvolof/cvmfs,trshaffer/cvmfs,djw8605/cvmfs,MicBrain/cvmfs,djw8605/cvmfs,Moliholy/cvmfs,cvmfs-testing/cvmfs,cvmfs/cvmfs,cvmfs/cvmfs,ruvolof/cvmfs,DrDaveD/cvmfs,trshaffer/cvmfs,MicBrain/cvmfs,Moliholy/cvmfs,alhowaidi/cvmfsNDN,Gangbiao/cvmfs,bbockelm/cvmfs