SmartRap 4.6 from GitHub as plates (RAMPS and J-Head)

These 2 plates bring together the GitHub parts for V4.6 of SmartRap for the RAMPS and J-Head only because that's what my current SmartRap is and I am looking at rebuilding it with these new and improved parts. I print entirely in ABS and there are obvious issues with the LM8U holders in ABS, which do not exist in PLA. To get around this problem, I wrap my LM8UU bearings with some blue tape (2 passes is enough) and that locks the bearings down solidly.