Added PointerLockManagement, Fixed layer positioning, added fps chart. fixes #120, fixes #121, fixes #123

app/Lib/Utilities/QuerySelector.js

@@ -0,0 +1,23 @@
+define([
+],
+ 
+function () {
+
+    "use strict";
+ 
+    function QuerySelector() {
+        if (!document) {
+			throw new Error("Using QuerySelector, but window.document is not defined.");
+		}
+    }
+ 
+    QuerySelector.prototype.$ = function(selector) {
+        return document.querySelector(selector);
+    }
+
+    QuerySelector.prototype.$$ = function(selector) {
+		return document.querySelectorAll(selector);
+    }
+ 
+    return new QuerySelector();
+});