Update to gson 2.2.2

James Moger

2014-07-02 a582f7eebc6a12aefd203a1bdecbe06b10bd9d9b

 src/main/java/com/gitblit/manager/NotificationManager.java

@@ -71,6 +71,11 @@
      return this;
   }

   @Override
   public boolean isSendingMail() {
      return mailService.isReady();
   }

   /**
    * Notify the administrators by email.
    *