Add experimental net servers.
Add start of event server.
Add *.pb.go to .gitignore.
Add start of a protobuf for IRC.
Add events proto that uses the irc proto.
Move to gogoprotobuf.

Because of https://code.google.com/p/goprotobuf/issues/detail?id=32

Seriously, what. Importing isn't even that complicated, but goprotobuf
doesn't generate the correct code to make it work. Amazing.
Emit proto events.
Add type field to Message.
Set type in privmsg proto.
Refactor into ircProtoMessage.
Define and parse PING message.
React on Ping proto instead of PING command.
Add Notice message type.