switched to native rdf store for changesets
improved creation/shutdown of nativestore, removed managed_store property replacement for query evaluation
stabilized tests
stabilized tests
Merge branch 'managed_store_refactoring' into devel

Conflicts:
	src/main/java/eu/lod2/rsine/changesetstore/ChangeSetStore.java
	src/main/java/eu/lod2/rsine/queryhandling/QueryEvaluator.java
	src/main/resources/application.properties
	src/test/java/at/punkt/lod2/local/ChangesetServiceTest.java
	src/test/java/at/punkt/lod2/local/ConceptMergeTest.java
	src/test/java/at/punkt/lod2/local/ImmediateLocalNotificationTest.java
	src/test/java/at/punkt/lod2/local/ManagedStoreNotificationTest.java
	src/test/resources/subscribe.sh
Merge branch 'managed_store_refactoring' into devel

Conflicts:
	src/main/java/eu/lod2/rsine/changesetstore/ChangeSetStore.java
	src/main/java/eu/lod2/rsine/queryhandling/QueryEvaluator.java
	src/main/resources/application.properties
	src/test/java/at/punkt/lod2/local/ChangesetServiceTest.java
	src/test/java/at/punkt/lod2/local/ConceptMergeTest.java
	src/test/java/at/punkt/lod2/local/ImmediateLocalNotificationTest.java
	src/test/java/at/punkt/lod2/local/ManagedStoreNotificationTest.java
	src/test/resources/subscribe.sh