add exit code to trap
add exit code to trap

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