Polish on Jack's final design. Swapped out rectangles for zones on mu…

…ltiple layers, cleaned up a lot of small layout bits, fixed some mechanical crashes with screw heads, fixed up the silk screen, and added 3D models.

v5.3 solar boards. Now with fiducials, a more direct cap bank, cleane…

…d up 3.3V SPS area, and minor other little fixes.

v1.0 sent to fab at OSH Park