Added support for bpiphany's Kitten Paw controller

Hello Hasu,

this commit adds support for one of bpiphany's costar controllers called Kitten Paw. This controller is used for fullsize Majestouch keyboards.

See http://deskthority.net/wiki/Costar_replacement_controllers

I'm writing this pull request with the new firmware. I haven't tested nkey rollover yet, that's why it's disabled for now. There is only Lufa support for now.

Kind regards
xauser