Fix version switcher order (#343)

(cherry picked from commit 3745eb3)

Author: adriendupuis

docs/js/custom.js

@@ -58,7 +58,7 @@ $(document).ready(function() {
             $('.rst-current-version.switcher__label').html(version.length ? version : 'Change version');
             $('.rst-other-versions.switcher__list dl.versions dd strong').parent().addClass('rtd-current-item');
 
-            if ('master' !== (vl = $('.rst-other-versions.switcher__list dl.versions')).find('dd:first').text()) {
+            if ('latest' !== (vl = $('.rst-other-versions.switcher__list dl.versions')).find('dd:first').text()) {
                 vl.find('dd').each(function() {
                     $(this).detach().prependTo(vl);
                 });