Add page title.

webviewgl.htm

@@ -1,6 +1,7 @@
 <!doctype html>
 <html>
   <head>
+      <title> Map View Web Edition </title>
       <script src="js/three.js"></script>
       <script src="js/decimal.min.js"></script>
       <script src="js/OrbitControls.js"></script>