Add IRC notifier

[benja-M-1]

This is a feature request that I can work on it.

To connect to an irc channel and post a message, it could use :

• https://github.com/phergie/phergie-irc-connection
• https://github.com/phergie/phergie-irc-generator

[KuiKui]

👍
ping @agallou