Add function to ignore events

This commit adds a filter function for events that should be ignored, which can
be extended later via a commit or a DevTools hack.

app/public/js/main.js

@@ -36,7 +36,7 @@ var socket = io(document.location.hostname);
 socket.on('github', function (data) {
   $('.online-users-count').html(data.connected_users);
   data.data.forEach(function(event){
-    if(!isEventInQueue(event)){
+    if(!isEventInQueue(event) || shouldEventBeIgnored(event)){
       eventQueue.push(event);
     }
   });
@@ -87,6 +87,16 @@ function isEventInQueue(event){
   return false;
 }
 
+/**
+ * This function adds a filter for events that we don't want to hear.
+ *
+ * To extend this function, simply add return true for events that should be filtered.
+ */
+function shouldEventBeIgnored(event){
+  return false;
+}
+
+
 $(function(){
   element = document.documentElement;
   drawingArea = document.getElementsByTagName('#area')[0];