fetch message works in chatmessage objects now. Keeps track of ids.
Merge commit 'd367b70' into mesh

Conflicts:
	DummyWiFi/src/com/example/dummywifi/GroupMemberClientAsyncTask.java
	DummyWiFi/src/com/example/dummywifi/Messenger/ChatSession.java
After adventures with git, keeps track of message id's and stuff
fixed a comparison