get back some of the self-backtrace functionality
get back some of the self-backtrace functionality

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