Update jetty version to 9.2.2

David Ostrovsky

2014-09-04 98bf62004853e06bf49e048e8ccb5e6c8a571cef

 src/main/java/com/gitblit/transport/ssh/DisabledFilesystemFactory.java

@@ -36,6 +36,11 @@
         public SshFile getFile(String file) {
            return null;
         }

         @Override
         public FileSystemView getNormalizedView() {
            return null;
         }
      };
   }
}