[maven-release-plugin] prepare release 1.2.0
[maven-release-plugin] prepare release 1.2.0

Graylog2/graylog-plugin-alarmcallback-rundeck,Graylog2/graylog-alarmcallback-rundeck,Graylog2/graylog-plugin-rundeck,Graylog2/graylog-plugin-rundeck