add `cvmfs_server update-info -e` parameter
add `cvmfs_server update-info -e` parameter

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