more pom fixing
added explanations to need editing gui
fixed matcher direcory structure and pom
removed version
Merge branch 'feature-exact-rdf-matching' of github.com:researchstudio-sat/webofneeds into feature-exact-rdf-matching
reworked directory structure and pom, fine-tuned matcher
Deleted listMatches method in NeedInformationService interface and implementations, made owner stop complaining about duplicate matches and instead update its match data