[Review] Request from 'greygoo' @ 'SUSE/machinery/review_141009_add_integration_test_for_scc_registered_sles12'

Please review the following changes:
  * 0570426 Add integration test that inspects and builds a SCC registered system.
  * 874709d Merge pull request #276 from SUSE/remote_file_system3
  * 8d9fb4f Add integration test for unmanaged-files remote-dirs
  * 2d1dc4f Add and activate NFS server to base images
  * d1baca0 Prevent remote_dirs from being also registered as dir
  * 950b2b4 Add remote_dir type information to migration description
  * 44245f0 Make sure that one-liner unmanaged-files output have a break
  * 9450707 Use tag remote_dir instead of remote-dir
  * 51debe4 Exclude remote file systems from inspection of unmanaged files