plugin XEP-0313: implementation of MAM for messages: - (core/xmpp): new messageGetBridgeArgs to easily retrieve arguments used in bridge from message data - : parseMessage is not static anymore - : new "message_parse" trigger point - (xep-0313) : new "MAMGet" bridge method to retrieve history from MAM instead of local one - : on profileConnected, if previous MAM message is found (i.e. message with a stanza_id), message received while offline are retrieved and injected in message workflow. In other words, one2one history is synchronised on connection. - : new "parseExtra" method which parse MAM (and optionally RSM) option from extra dictionary used in bridge.