How to configure Kodi / XBMC to run with RetroPie on your Raspberry Pi.
This is using the current retropie script on a RetroPie image of 2.4.1, but should be similar on 2.6.0
Kodi:
http://kodi.tv/download/
RetroPie:
http://blog.petrockblock.com/retropie/retropie-downloads/
