scribe system changes

Some little tweaks today:

  +  more "bot" stuff is automatically hidden
     (q+, q-, q?, ack)
  +  a "remote:" header can now be used to distinguish
     remote participants
  +  I removed the word "draft" -- whether something is a
     draft or not is not marked on the page at this time
     (which I realize is a problem).


   -- Sandro