send email subject utf-8 encoded

william

2015-09-30 2dfdd53642e60289ee7f3b420844a8df53ec406b

 src/main/java/com/gitblit/servlet/RawServlet.java

@@ -468,7 +468,7 @@
            served = true;
         }
      } finally {
         tw.release();
         tw.close();
         rw.dispose();
      }