Fix Content Match Error
Message Group Bugfixing
Term Counting
Methods for logging
Like Feature
Like Feature
Observation
Message Relation fix
Message Relation
Rerank for all users
Observations
Observations
Observations and Disintegration
Merge branch 'master' into feature-relations

Conflicts:
	persistence-jpa/src/test/java/de/spektrumprojekt/persistence/jpa/impl/MessagePersistenceTest.java
Skip PatternConsolidationCommandTest if no test data is present.
add test data to .gitignore