Log Message:
Update to version 2.8.6.

Initial patches from Juan RP via PR pkg/20101.

Changelog:

2.8.6
=====
- Bnc now lists all docked sessions
- Rewrote the send/recv code
- Implemented non-blocking sockets
- Fixed a problem with bnc not binding to vhost when specified by
  IP instead of dns

2.8.4
=====
- a quick change added to conf.c by moomoomoo to fix a major bug and
  tide us over until the 3.0.0 version is ready for public release.

2.8.2
=====
- Coded in channel watching code for docking.
- Coded a new line parsing system
- Coded a new system for the client lists, maybe it will fix some bugs
- implemented docking, still very beta though /detach password /resume
  FD password
- rewrote some of the inner workings, hope this fixed some bugs.
- rewrote config file format, now uses real words (listen xxx) read
  example.conf for details. Old format will still work.