additionalData vocabulary extension
added RDFutils to matcher
code cleanup
renamed a client factory
added a client factory for the matcher
fixed refactoring bug
added rdfUtils
implemented rdfStorageService
Merge remote-tracking branch 'refs/remotes/origin/store-rdf-event-data' into devel

Conflicts:
	webofneeds/won-matcher/src/main/java/won/matcher/cli/MatcherCLI.java
	webofneeds/won-matcher/src/main/java/won/matcher/protocol/impl/MatcherProtocolNeedServiceClient.java
	webofneeds/won-node/src/main/java/won/node/service/impl/NeedCommunicationServiceImpl.java
	webofneeds/won-node/src/main/java/won/node/service/impl/NeedFacingConnectionCommunicationServiceImpl.java
	webofneeds/won-node/src/main/java/won/node/service/impl/OwnerFacingConnectionCommunicationServiceImpl.java
finishing merge