rename chinese locale directory to match django

Signed-off-by: Maxim Sukharev <max@smacker.ru>

Author: smacker

filebrowser/locale/zh_CN/LC_MESSAGES/django.mo renamed to filebrowser/locale/zh_Hans/LC_MESSAGES/django.mo

@@ -1,7 +1,7 @@
 # SOME DESCRIPTIVE TITLE.
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
-# 
+#
 # Translators:
 # mozillazg <opensource.mozillazg@gmail.com>, 2013
 # zhangchao <zhangbarney@gmail.com>, 2011