Merge branch 'devel'

Conflicts:
	pom.xml
	src/main/java/at/ac/univie/mminf/qskos4j/issues/relations/UnidirectionallyRelatedConcepts.java
	src/main/java/at/ac/univie/mminf/qskos4j/issues/relations/ValuelessAssociativeRelations.java
Merge branch 'devel'

Conflicts:
	pom.xml
	src/main/java/at/ac/univie/mminf/qskos4j/issues/relations/UnidirectionallyRelatedConcepts.java
	src/main/java/at/ac/univie/mminf/qskos4j/issues/relations/ValuelessAssociativeRelations.java
Merge branch 'devel'

Conflicts:
	pom.xml
	src/main/java/at/ac/univie/mminf/qskos4j/issues/relations/UnidirectionallyRelatedConcepts.java
	src/main/java/at/ac/univie/mminf/qskos4j/issues/relations/ValuelessAssociativeRelations.java
Merge branch 'devel'

Conflicts:
	pom.xml
	src/main/java/at/ac/univie/mminf/qskos4j/issues/relations/SolelyTransitivelyRelatedConcepts.java
	src/main/java/at/ac/univie/mminf/qskos4j/issues/relations/UnidirectionallyRelatedConcepts.java
	src/main/java/at/ac/univie/mminf/qskos4j/issues/relations/UnidirectionallyRelatedConceptsReport.java
	src/main/java/at/ac/univie/mminf/qskos4j/issues/relations/ValuelessAssociativeRelations.java
	src/main/java/at/ac/univie/mminf/qskos4j/issues/skosintegrity/MappingClashes.java
	src/main/java/at/ac/univie/mminf/qskos4j/issues/skosintegrity/RelationClashes.java
	src/main/java/at/ac/univie/mminf/qskos4j/util/Tuple.java
	src/main/java/at/ac/univie/mminf/qskos4j/util/TupleQueryResultUtil.java
	src/test/java/at/ac/univie/mminf/qskos4j/issues/UnidirectionallyRelatedConceptsTest.java
	src/test/java/at/ac/univie/mminf/qskos4j/issues/ValuelessAssociativeRelationsTest.java
documentation update
announced online service
rephrased online service paragraph
rephrased online service paragraph
rephrased online service paragraph
rephrased online service paragraph
updated sesame dependencies, no summary when command is invoked with summarize option