Starting work on relation extraction.
Added persistence logic (TODO for JPA)
JPA impl. + test for MessagePattern
Ability to configure patterns.
Some cleanup, remove 1.7 style generics, move method
Add collections to configuration API/impl.
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