RGL browser: add GF logo, give full name in page title

doc/browse/script.js

@@ -397,7 +397,7 @@ $(document).ready(function() {
     });
 
     var recalculateHeights = function() {
-        var x = 40; // just found empirically
+        var x = 55; // just found empirically
         $('body').height( $(window).height()-x);
         $('.maxheight').each(function(){
             var obj = $(this);