core now working on develop, renamed reader to handler
removed implementation files
Merge branch 'toolkit' into develop

Conflicts:
	src/main/java/ag/kge/core/MessageHandler.java
	src/main/java/ag/kge/core/MessageListener.java
	src/main/java/ag/kge/core/MessageWriter.java
	src/main/java/ag/kge/core/translators/AttributeTranslator.java
	src/main/java/ag/kge/core/translators/DirectTranslator.java