Update SSHD version to 0.12

David Ostrovsky

2014-09-04 b331474798271adecc60eee2eb0dc1bd6412c90c

 src/test/java/com/gitblit/tests/mock/MemorySettings.java

@@ -48,6 +48,11 @@
   }

   @Override
   public boolean saveSettings() {
      return false;
   }

   @Override
   public boolean saveSettings(Map<String, String> updatedSettings) {
      return false;
   }