Taskotron: patch imagefactoryd service file so it can be enabled on boot

roles/taskotron/imagefactory/tasks/main.yml

@@ -16,6 +16,13 @@
 - name: hotfix imagefactory's REST api to allow file download
   copy: src=hotfix_imgfac_RESTv2.py dest=/usr/lib/python2.7/site-packages/imgfac/rest/RESTv2.py owner=root group=root mode=0644
 
+- name: allow imagefactoryd.service to be enabled
+  blockinfile:
+    path: /usr/lib/systemd/system/imagefactoryd.service
+    block: |
+      [Install]
+      WantedBy=multi-user.target
+
 - name: enable imagefactory
   service: name=imagefactoryd state=started enabled=yes