#Raspbian 8
https://github.com/superjamie/lazyweb/wiki/Raspberry-Pi-Debian-Backports
http://robertcastle.com/2014/02/installing-opencv-on-a-raspberry-pi/
http://airwiki.ws.dei.polimi.it/index.php/Cross-compiling_for_the_RaspberryPi
https://wiki.debian.org/CrossToolchains