Update to packstack-7.0.0.dev1680.gd8a98dd.tar.gz
    
    Dashboard's local_settings file should not be world readable
      (rhbz#1217089)
    Add support for Neutron ML2 SR-IOV mechanism driver (rhbz#1167099)
    Do not enable EPEL when installing RDO
    Add symlink to support hiera >= 3.0 (rhbz#1284978)