Added Google Analytics and frameworks for line drawing and entity removal

webviewgl.htm

@@ -9,6 +9,16 @@
       <link href="https://fonts.googleapis.com/css?family=Space+Mono" rel="stylesheet">
       <script src="https://code.jquery.com/jquery-3.1.0.min.js"   integrity="sha256-cCueBR6CsyA4/9szpPfrX3s49M9vUU5BgtiJj06wt/s="   crossorigin="anonymous"></script> 
       <script src="js/GUI.Utils.js"></script>
+      <script>
+		  (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+		  (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+		  m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+		  })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
+
+		  ga('create', 'UA-80748037-1', 'auto');
+		  ga('send', 'pageview');
+
+      </script>
       <style type="text/css">
           body { margin: 0; overflow:hidden;}
           canvas { width: 75%; height: 100% ;}