Log Message:
update to ircII 20060721.  changes include:
  o  default status line now tells you when you are scrolled up
  o  new variables status_scrolled and status_scrolled_lines
  o  new status format modifiers %P and %s
  o  fixed a bug with the input prompt being overtaken
  o  /set translation has been removed.  all encoding support now depends
     on the existance of iconv(3) support, enhancing the capabilities and
     correctness of codeset conversion.  the translation and iso2022_support
     variables have been replaced with input_encoding, display_encoding
     and irc_encoding
  o  /msg -server <servergroup|servername|number> <target> \ 
<message>
     now works to send message on specific servers ie, other than the
     current window's server
  o  support new $IRCSERVERSFILE that overrides $LIBDIR/ircII.servers