fix i18n create file without permission behavior

library/Class/I18n.php

@@ -61,7 +61,7 @@ class Class_I18n {
   public function __construct() {
     $destination = USERFILESPATH . self::BASE_PATH;
     if (!file_exists($destination))
-      mkdir($destination);
+      @mkdir($destination);
   }
 
   /**
@@ -99,10 +99,12 @@ class Class_I18n {
       $this->_createFileFor($language);
 
     ob_start();
-    $datas = include $this->_getFilePathFor($language);
+    $datas = @include $this->_getFilePathFor($language);
     ob_end_clean();
 
-    return $datas;
+    return $datas
+      ? $datas
+      : [];
   }
 
   /**
@@ -205,8 +207,10 @@ return array(
    * @param string $language
    */
   protected function _createFileFor($language) {
-    if (file_exists($this->_getFilePathFor($language))
-        && (!is_writable($this->_getFilePathFor($language))))
+    if (file_exists($this->_getFilePathFor($language)))
+      return;
+
+    if(!is_writable($this->_getFilePathFor($language)))
       return ;
 
     file_put_contents($this->_getFilePathFor($language),

library/Class/I18nTranslator.php

@@ -16,7 +16,7 @@
  *
  * You should have received a copy of the GNU AFFERO GENERAL PUBLIC LICENSE
  * along with BOKEH; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA 
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
  */
 class Class_I18nTranslator {
   /** @var array */
@@ -34,7 +34,6 @@ class Class_I18nTranslator {
    */
   public static function getFor($language) {
     $language = (string)$language;
-
     if (!self::$_caching)
       return new self(Class_I18n::getInstance()->read($language));