Add one more test to ensure publishing does not happen for pull requests against the master branch. Also, skip tests on publishing since the build already passed.
Add one more test to ensure publishing does not happen for pull requests against the master branch. Also, skip tests on publishing since the build already passed.

hawkular/hawkular-alerts,hawkular/hawkular-alerts,lucasponce/hawkular-alerts,hawkular/hawkular-alerts,lucasponce/hawkular-alerts,jsanda/hawkular-alerts,jshaughn/hawkular-alerts,tsegismont/hawkular-alerts,hawkular/hawkular-alerts,jpkrohling/hawkular-alerts,jsanda/hawkular-alerts,lucasponce/hawkular-alerts,lucasponce/hawkular-alerts,tsegismont/hawkular-alerts,jpkrohling/hawkular-alerts,jshaughn/hawkular-alerts