Update Chinese translate @ version 1.30

Stardrad Yin

2013-07-17 0c40c3ac16f041e7b6f7bce6e9066aa8bb1e2c4a

 src/main/java/com/gitblit/JsonServlet.java

@@ -123,6 +123,7 @@
         // Send JSON response

         String json = JsonUtils.toJsonString(o);

         response.setCharacterEncoding(Constants.ENCODING);

         response.setContentType("application/json");

         response.getWriter().append(json);

      }

   }