pi-supply switch mod

Modification made on the Pi-Supply switch to be able to mount inside the Raspberry Pi case.

More details here: https://sharedinventions.com/?p=64

I've also created an alternative "softshut" script in bash, you can find here: http://pastebin.com/SRJUFJ0q ... https://www.youtube.com/watch?v=U_5dfCXYs38