PiGRRL 2 + headphones, lens, and buttons

The parts here are a bodging of great PiGRRL 2 remixes. All credit goes to the makers below.

Action buttons and D-pad:
http://www.thingiverse.com/thing:1370077

Back Case and Lens:
http://www.thingiverse.com/thing:1565164

Shoulder button Mount:
http://www.thingiverse.com/thing:1701470

All other parts Come from Adafruits PiGRRL 2 v1.1:
http://www.thingiverse.com/thing:1277483