ZMQ Event Publisher plugin support added

This is a Jenkins plugin that will publish Jenkins Job run events
(start, complete, finish) to a ZMQ PUB socket.

Change-Id: Id238033796e6905e18a777fc85c789ff6cf4f59d

setup.py

@@ -94,6 +94,7 @@ setuptools.setup(
             'priority-sorter=jenkins_jobs.modules.properties:priority_sorter',
             'promoted-build=jenkins_jobs.modules.properties:promoted_build',
             'throttle=jenkins_jobs.modules.properties:throttle',
+            'zeromq-event=jenkins_jobs.modules.properties:zeromq_event',
             ('delivery-pipeline=jenkins_jobs.modules.properties:'
             'delivery_pipeline'),
         ],