shuffle avatars in website header

lib/public/javascript/crafatar.js

@@ -31,6 +31,13 @@ xhr.onload = function() {
 };
 
 document.addEventListener("DOMContentLoaded", function(event) {
+  var avatars = document.querySelector("#avatar-wrapper");
+  for (var i = 0; i < avatars.children.length; i++) {
+    // shake 'em on down!
+    // https://stackoverflow.com/a/11972692/2517068
+    avatars.appendChild(avatars.children[Math.random() * i | 0]);
+  }
+
   xhr.open("GET", "https://status.mojang.com/check", true);
   xhr.send();
 });