clean up hardlink and directory linkcount analysis to be independent from rowid (bug prone for different sqlite3 versions)
clean up hardlink and directory linkcount analysis to be independent from rowid (bug prone for different sqlite3 versions)

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