Update old bug URLs

At some point in the past few years, Flyspray changed its URL scheme from id=nnn to task_id=nnn, which broke some old comments in the source. Update those comments to URLs that still work.
Receive 'self messages' in the right query window

Original patch by hondza <sedaj2@gmail.com>, from FS#833. I applied
several needed style changes, and rebased to current HEAD.

This implements the IRCv3.2 self-message extension partially (we can't
announce its support through CAP yet). This is also the format used by
the 'privmsg' znc module, and is already implemented by several other
clients.
typo fixes - https://github.com/vlajos/misspell_fixer
Correctly parse unix sockets servers in the config
Check for unix sockets when reconnecting
Merge pull request #178 from guiniol/master

Correctly parse unix sockets servers in the config
Merge pull request #171 from vlajos/typofixes-vlajos-20141108

typo fixes - https://github.com/vlajos/misspell_fixer
Merge pull request #162 from dequis/self-messages

Receive 'self messages' in the right query window
Merge pull request #161 from anadrome/patch-1

Update old bug URLs
Documentation fix for #185

Documentation fix for #185