use AttachFreelyRw() for database opening in swissknife_migrate
use AttachFreelyRw() for database opening in swissknife_migrate

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