moved emberjs to gui folder

gui/app/services/event-bus.js

@@ -0,0 +1,39 @@
+// Copyright 2016 Documize Inc. <legal@documize.com>. All rights reserved.
+//
+// This software (Documize Community Edition) is licensed under
+// GNU AGPL v3 http://www.gnu.org/licenses/agpl-3.0.en.html
+//
+// You can operate outside the AGPL restrictions by purchasing
+// Documize Enterprise Edition and obtaining a commercial license
+// by contacting <sales@documize.com>.
+//
+// https://documize.com
+
+import Ember from 'ember';
+
+export default Ember.Service.extend(Ember.Evented, {
+	init() {
+		this._super(...arguments);
+		let _this = this;
+
+		window.addEventListener("scroll", _.throttle(function() {
+			_this.publish('scrolled', null);
+		}, 100));
+
+		window.addEventListener("resize", _.debounce(function() {
+			_this.publish('resized', null);
+		}, 100));
+	},
+
+    publish: function() {
+        return this.trigger.apply(this, arguments);
+    },
+
+    subscribe: function() {
+        return this.on.apply(this, arguments);
+    },
+
+    unsubscribe: function() {
+        return this.off.apply(this, arguments);
+    }
+});