Improve the login and add test cases
Add comments and simplify
Add stub for post login process
update of Locations implemented
Merge branch 'login-process'

Conflicts:
	org.hive2hive.core.test/src/org/hive2hive/core/test/network/messaging/TestMessageWithReply.java
	org.hive2hive.core.test/src/org/hive2hive/core/test/network/messaging/TestMessageWithReplyMaxSending.java
	org.hive2hive.core.test/src/org/hive2hive/core/test/network/messaging/TestResponseMessageMaxSending.java
	org.hive2hive.core/src/org/hive2hive/core/network/messages/BaseMessage.java
	org.hive2hive.core/src/org/hive2hive/core/network/messages/direct/response/ResponseMessage.java
	org.hive2hive.core/src/org/hive2hive/core/process/common/PutLocationStep.java
	org.hive2hive.core/src/org/hive2hive/core/process/common/PutProcessStep.java
	org.hive2hive.core/src/org/hive2hive/core/process/login/AddMyselfToLocationsStep.java