Add back trusty jobs for pbr
For pbr, we should keep the trusty jobs for older branches, readd them.
@@ -3603,6 +3603,7 @@ projects:
template:
- name: merge-check
- name: python-jobs
+ - name: python-jobs-trusty
- name: python34-jobs
- name: python35-jobs
- name: publish-to-pypi
