Issues Resolved

- LDP:Container removed from needModel
- solrServerURI made configurable in matcher.properties
- introduced NeedPojoNeedModelBuilder for NeedController and RestNeedController
Merge branch 'feat-backend' into devel-interim-merge2
Issue #26 Resolved

- NeedState check
Bug fix

- matcherTestBot was not working due to wrong if statement in OPNSC