Refactor: split __snapshot_succeeded() and __snapshot_failed()
Refactor: split __snapshot_succeeded() and __snapshot_failed()

djw8605/cvmfs,cvmfs/cvmfs,trshaffer/cvmfs,djw8605/cvmfs,alhowaidi/cvmfsNDN,trshaffer/cvmfs,alhowaidi/cvmfsNDN,reneme/cvmfs,cvmfs/cvmfs,Moliholy/cvmfs,Moliholy/cvmfs,alhowaidi/cvmfsNDN,reneme/cvmfs,cvmfs/cvmfs,DrDaveD/cvmfs,Moliholy/cvmfs,Gangbiao/cvmfs,trshaffer/cvmfs,reneme/cvmfs,trshaffer/cvmfs,cvmfs/cvmfs,djw8605/cvmfs,DrDaveD/cvmfs,Moliholy/cvmfs,djw8605/cvmfs,DrDaveD/cvmfs,DrDaveD/cvmfs,DrDaveD/cvmfs,Gangbiao/cvmfs,Gangbiao/cvmfs,Gangbiao/cvmfs,alhowaidi/cvmfsNDN,Gangbiao/cvmfs,cvmfs/cvmfs,reneme/cvmfs,reneme/cvmfs,cvmfs/cvmfs,djw8605/cvmfs,DrDaveD/cvmfs,trshaffer/cvmfs,cvmfs/cvmfs,Moliholy/cvmfs,alhowaidi/cvmfsNDN,DrDaveD/cvmfs