MK3 x-end-idler and x-end-motor for MK2S and MK2.5

These are remixes of the stock R2 Prusa MK3 parts altered to work on the MK2.5 or MK2S. The idler piece is the same as the stock MK3 piece except has the holes for the X rod stops as in the MK2S. The motor piece is the same as the MK3 but has the mount for the X end-stop switch.
These have all the advantages the Prusa MK3 pieces have over the MK2S like belt tension adjustment, more accurate idler pulley position, stronger mount for the Z Trapezoidal nuts etc.

The stronger mounts for the Z Tr