- testing the error status code emitted by OutputStreamAppender when a layout is set instead of an encoder

ClassicTestConstants.JORAN_INPUT_PREFIX

- added getFile method to ResilientFileOutputStream

- added JNDIBasedContextDiscriminator which should work much better than
ContextBasedtiscriminator.

 The console is not ours to close.

- renamed WriterAppender as OutputStreamAppender

- FileAppender now takes an encoder and not a layout

chapter on Encoders. Naming chapters by their number was a bas idea...

  removed the immediateFlush, BufferedIO properties from FileAppender

  Only immediateFlush can make a significant difference in presense of
  other IO activity on a mechanical HD.

both projects.

ObjectStreamEncoder and a corresponding InputStream called
EventObjectInputStream.