specification/capability-negotiation: Add clarification about CAP usage after registration
Add capability-negotiation-3.2
Merge pull request #65 from attilamolnar/master+cap-3.2

Master+cap 3.2
Add cap-notify extension specification
Add invite-notify extension specification

Closes #42
specification/capability-negotiation-3.2: fix example
IRCv3 no more.

I'm tired of childish behavior of nenolod and of his threats.

If someone wishes to continue collaborating without nenolod, welcome to
irc.freenode.net #ircv4
Merge.
Merge pull request #69 from DarthGandalf/ircv3

IRCv3 no more.
Add working group charter and policy.
account-msg: add proposed extension