Relationen: Rollen
Relationen und Rollen implementiert.
Merge branch 'master' of https://github.com/bergradler/geographie

Conflicts:
	bergradler.geo.model.test/bin/bergradler/geo/model/primitives/PrimitiveTests.class
	bergradler.geo.model/bin/bergradler/geo/model/primitives/Node.class
	bergradler.geo.model/bin/bergradler/geo/model/primitives/Relation.class
	bergradler.geo.model/bin/bergradler/geo/model/primitives/TaggedElement$class.class
	bergradler.geo.model/bin/bergradler/geo/model/primitives/TaggedElement.class
	bergradler.geo.model/bin/bergradler/geo/model/primitives/Way.class