add addtional file processing tests + code cleanup
add addtional file processing tests + code cleanup

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