Changes include:
 - ONOS artifacts are cached on build server until moved to OPNFV artifacts
 - tht patch is now unified to single opnfv patch, based on upstream
   commit 0f41e0d0309c7bc061dbaed6a8c1e38cb4bdfe19

Change-Id: Iea3d14773dded6c9709c08ef1beb47b254582860
Signed-off-by: bob zhou <bob.zh@huawei.com>
Signed-off-by: Tim Rozet <trozet@redhat.com>