Add notification sending functionality.

static/js/notifications.js

@@ -0,0 +1,12 @@
+if("Notification" in window) {
+    Notification.requestPermission();
+}
+
+function setupNotificationPorts(app) {
+    app.ports.sendNotificationPort.subscribe(function(data) {
+        var options = {
+            "body" : data.text
+        }
+        new Notification(data.name, options)
+    })
+}