Update irc.lua
Organize imports.
Merge branch 'master' of github.com:MightyPirates/OpenComputers into master-MC1.7.10
Merge branch 'master' of https://github.com/PixelToast/OpenComputers
Fixed a typo in irc.lua and tracking own nickname (on nick changes) and displaying own name instead of 'me' and 'You' for messages/actions.
Merge branch 'master' of github.com:MightyPirates/OpenComputers into master-MC1.7.10