fix double log message when resetting proxies for host-after-proxy failure, set hard limit on number of http connections
fix double log message when resetting proxies for host-after-proxy failure, set hard limit on number of http connections

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