add a script that allows for recursive catalog walking
add a script that allows for recursive catalog walking

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