Fix checkstyle issues and enable build failure when checkstyle errors occur using Eric's changes
Merge pull request #46 from objectiser/checkstyle

Fix checkstyle issues and enable build failure when checkstyle errors oc...
RTGOV-342 ElasticSearch event processor implementation.
Elastic search RTGOV-342

-KeyValue store service  in common
- ElasticSearch impl of KeyValueStore service service and implementation
- ElasticSearch epn
ep-elasticsearch cleanup

removed drools files
Merge with upstream