Fix docs version switcher to display latest first

Changes the old sorting which displays master then the oldest to newest, so that it would display master followed by the newest version

docs/template.html

@@ -500,6 +500,7 @@
         }
 
         addVersionLink('master');
+        versions.reverse();
         Array.prototype.forEach.call(versions, function (version, i) {
           addVersionLink(version);
         });