TriplesQuery added
fixed pom bugs concerning dependency-copy
maven dependency management

Added maven dependencyManagement section in root pom
Removed versions and scopes from module poms
more pom fixing
added explanations to need editing gui
fixed matcher direcory structure and pom
removed version
implemented the siren triple queries
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
restriction sketches
Merge branch 'feature-exact-rdf-matching' of https://github.com/researchstudio-sat/webofneeds into feature-exact-rdf-matching
changed occur in TriplesQuery to SHOULD