Dual Makerslide y-axis parts and endstop mounts

Makerslide mounts to 20x20 extrusion
Idler mount to 20x20 extrusion
stepper mount to 20x20 extrusion
endstop mounts to 20x20 extrusion
endstop mount to z-rod

The y-idler has been fixed and it is very nice - I've been using it for a week now with ZERO bolts, it snaps hard right to the 20x20 extrusion.