Makes the Guava dependency of Protégé explicit (because of OSGI).
Merge branch 'feature/tboxreasoner-improved' into develop
Merge branch 'feature/tboxreasoner-improved' into develop
rename the methods in TBoxReasoner to getXXDAG's
Merge branch 'develop' into feature/tboxreasoner-improved
Merge branch 'feature/tboxreasoner-improved' of github.com:ontop/ontop into feature/tboxreasoner-improved

Conflicts:
	obdalib-core/src/main/java/it/unibz/krdb/obda/model/Predicate.java
clean a bit