Upgrade Prusa i3 (Rework) to MK2

I will have some compatible parts lined up here that I have tested or adapted to upgrade the Prusa i3 Rework to Prusa i3 MK2. Feel free to leave a [comment](http://www.thingiverse.com/thing:2136683/#comments) if you have any questions or suggestions! Also I would love to see your prints ([I made one!](http://www.thingiverse.com/thing:2136683/add_instance))

X and Z-axis
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* [x-end-idler_repaired.stl](http://www.thingiverse.com/download:3367860) and [x-end-motor_repaired.stl](http://www.t