Rear Anet A8 LCD mount for Raspberry Pi 3 with camera (IMPROVED)

This is a remix of the Raspberry Pi 3 with camera mount for the back of the LCD panel on the Anet A8 here: http://www.thingiverse.com/thing:2185490

@bma801did a great job and he said he does not even have a pi3.

After I starting putting an actual pi3 install in place, I needed the following improvements:

- Added a slot cutout into the top cover for the camera cable

- Changed the camera to have TWO hinge connectors instead of three. The three on three was difficult to connect bec