[CORE][COMPOSER] Move extlib packages with immediate composer correspondent to composer dependencies

This adds a composer.json for all dependencies that are available

public/plugins/Meteor/js/meteorupdater.js

@@ -0,0 +1,21 @@
+// Update the local timeline from a Meteor server
+
+var MeteorUpdater = function()
+{
+     return {
+
+          init: function(server, port, scheme, timeline)
+          {
+               Meteor.callbacks["process"] = function(data) {
+                    RealtimeUpdate.receive(JSON.parse(data));
+               };
+
+               Meteor.host = server;
+               Meteor.port = port;
+               Meteor.scheme = scheme;
+               Meteor.joinChannel(timeline, 0);
+               Meteor.connect();
+          }
+     }
+}();
+