updating cacheword version
initial work on multiuserchat support
moved groupchat menu option to menu only
added new text entry dialogs for group chat start
fixed issue with joining group chats and related NPEs
Merge branch 'feature-muc' of github.com:n8fr8/Gibberbot into feature-muc

Conflicts:
	res/menu/chat_list_menu.xml
	src/info/guardianproject/otr/app/im/app/ChatListActivity.java
	src/info/guardianproject/otr/app/im/plugin/xmpp/XmppConnection.java
	src/info/guardianproject/otr/app/im/service/ChatSessionManagerAdapter.java
new strings for group chat dialog
Cleanup and small fixes for GroupChat/MUC support