Added HumanReadableLabelling metric (Understandability Dimension). Added
the definition in dqm and generated sources
modified ontology versioning and humab readable labelling metrics
Merge branch 'master' of https://github.com/diachron/quality.git

Conflicts:
	src/main/java/de/unibonn/iai/eis/diachron/vocabularies/DAQ.java
	src/main/java/de/unibonn/iai/eis/diachron/vocabularies/DQM.java
	src/main/java/de/unibonn/iai/eis/diachron/vocabularies/VOID.java