Handle analytics for downloads without target blank.

Use a timeout of 200ms to let GA do its job.

Author: sjrd

_includes/headerbottom.html

@@ -32,7 +32,13 @@
         var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
       })();
       var f = function(event){
-        _gaq.push(['_trackEvent','Downloads','Download',$(this).attr('href')]);
+        var href = $(this).attr('href');
+        var target = $(this).attr('target');
+        _gaq.push(['_trackEvent','Downloads','Download',href]);
+        if (target === undefined || target.toLowerCase() != '_blank') {
+          setTimeout(function() { location.href = href; }, 200);
+          return false;
+        }
       };
       function endsWith(str, suffix) {
           return str.indexOf(suffix, str.length - suffix.length) !== -1;