taskotron: start httpd where needed

roles/taskotron/taskotron-proxy/tasks/main.yml

@@ -3,6 +3,9 @@
 # one for taskotron and one for resultsdb. The url scheme also stays
 # closer to stg/prod
 ---
+- name: start httpd (provided in the apache role)
+  service: name=httpd state=started
+
 - name: ensure packages required for proxying are installed (yum)
   yum: name={{ item }} state=present enablerepo={{ extra_enablerepos }}
   with_items: