simplify make_repo.py
simplify make_repo.py

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