CLI fix and message interpreter placeholder
Merge branch 'develop' into imageprocessing

Conflicts:
	code/CCLabCore/src/main/java/com/cclab/core/MasterInstance.java
	code/CCLabCore/src/main/java/com/cclab/core/NodeInstance.java
	code/CCLabCore/src/main/java/com/cclab/core/WorkerInstance.java
Log4j properties file location change
Merge branch 'imageprocessing' into develop