conversation-adapter now hears an the new conversation:update event and trigger it to conversation
now it is possible to handle unreadMessages over multiple devices
add unit test for conversation-update event
add enableUnreadMessages to cmSettings and App Settings
add on $destroy watcher to conversation tag
update conversation-tag
add settings check, before uploading last read message
userModel now put server saved settings to localstorage appsetting
if user changed settings, the app will save these at the server per put