Docker image builder job for Airship

Change-Id: Ie51352f79d0682d938cc058a6e6357d757a49e09
diff --git a/jjb/airship/projects.yml b/jjb/airship/projects.yml
index 39ddfa0..b2f1c1e 100644
--- a/jjb/airship/projects.yml
+++ b/jjb/airship/projects.yml
@@ -34,6 +34,7 @@
     - capi_bm_integration_tests_centos
     - linter_tests
     - openstack_image_building
+    - docker_image_building
     repo:
       org: "Nordix"
       name: "airship-dev-tools"