Create python33 gate jobs for pbr and oslo.config.

* .../files/jenkins_job_builder/config/projects.yaml: Brown bag fix
to add missing gate-{name}-python33 job declarations to the JJB
configuration for pbr and oslo.config.

Change-Id: Ic771f1e447f8778b89749e0f1c0799a281980c28
Merge "Create python33 gate jobs for pbr and oslo.config."