use setsid() instead of setgrpg in mounting the config repository
use setsid() instead of setgrpg in mounting the config repository

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