Cloudtests: disable all 8xx tests on Ubuntu 14.04 (gw)
Cloudtests: disable all 8xx tests on Ubuntu 14.04 (gw)

Disable all 8xx tests related to gateway on Ubuntu 14.04

DrDaveD/cvmfs,DrDaveD/cvmfs,cvmfs/cvmfs,cvmfs/cvmfs,cvmfs/cvmfs,cvmfs/cvmfs,DrDaveD/cvmfs,DrDaveD/cvmfs,DrDaveD/cvmfs,DrDaveD/cvmfs,DrDaveD/cvmfs,cvmfs/cvmfs,cvmfs/cvmfs,cvmfs/cvmfs