update docker bases used by sdc

update docker bases to version 1.3.1 with the new security fixes.

Change-Id: I6d702fb58dc16721a2e42b1f38e1288d9655bb72
Issue-ID: SDC-1340
Signed-off-by: Michael Lando <ml636r@att.com>
diff --git a/openecomp-be/dist/sdc-onboard-backend-docker/artifacts/Dockerfile b/openecomp-be/dist/sdc-onboard-backend-docker/artifacts/Dockerfile
index 339c851..e3e15cb 100644
--- a/openecomp-be/dist/sdc-onboard-backend-docker/artifacts/Dockerfile
+++ b/openecomp-be/dist/sdc-onboard-backend-docker/artifacts/Dockerfile
@@ -1,4 +1,4 @@
-FROM onap/base_sdc-jetty:1.3.0
+FROM onap/base_sdc-jetty:1.3.1
 
 COPY chef-solo /root/chef-solo/