Fix default language selection bug

source/javascripts/app/lang.js

@@ -41,6 +41,9 @@ under the License.
       hash = hash.replace(/^#+/, '');
     }
     history.pushState({}, '', '?' + language + '#' + hash);
+
+    // save language as next default
+    localStorage.setItem("language", language);
   }
 
   function setupLanguages(l) {
@@ -53,7 +56,6 @@ under the License.
       // the language is in the URL, so use that language!
       activateLanguage(location.search.substr(1));
 
-      // set this language as the default for next time, if the URL has no language
       localStorage.setItem("language", location.search.substr(1));
     } else if ((defaultLanguage !== null) && (jQuery.inArray(defaultLanguage, languages) != -1)) {
       // the language was the last selected one saved in localstorage, so use that language!