Update to SLF4j 1.7.7

James Moger

2014-07-03 a46589f2c40dca25fc6bfb3179888c3b7cde26a1

 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;
         }
      };
   }
}