HandleUserMessageQueueStep
GetUserMessageQueueStep
added method stub to handle the loaded user messages
corrected locationKey of UserMessageQueue
Merge remote-tracking branch 'origin/master' into synchronize

Conflicts:
	org.hive2hive.core/src/org/hive2hive/core/H2HNode.java
	org.hive2hive.core/src/org/hive2hive/core/process/login/PostLoginProcess.java
	org.hive2hive.core/src/org/hive2hive/core/process/login/PostLoginProcessContext.java