Log Message:
Updated to version 1.6.15.

Changes:

- use tar.bz2 distfile
- install documentation in proper locations
- install more docs
- fix PLIST for NOPIC and USE_INET6
- DESCR has 80 columns

1.6.15:
=======
- Support for the IPv6 protocol.
- Many bugfixes related to the transfer and filesystem modules.
- Several more functions have been exported for use by module coders.
- Updated UnderNet's max bans to 45, and EFnet's to 25.
- The nick bind is now triggered even if the nick is not on any channels
  (ie if the bot's nick changes before it's on a channel).
- Removed strict-servernames -- $server is now always the server's realname
  and $serveraddress is it's server list entry.
- Merged use-console-r and debug-output into one new setting named raw-log.
- Updated recommended Tcl version to 8.3.4.
- User-punishing and tcl_maskhost nor use matching banmasks regardless
  of strict-host.
- Updates to the 'autobotchk' script.