Huxley wide carriage für Arcol.hu Hot-end

This are the parts needed to make a wider carriage for the Huxley 3D printer, so you can mount a Arcol.hu Hot-end between the x-bars.

You can read more about this at http://ifeelbeta.de/index.php/production/huxley-wide-carriage-fuer-arcolhu-hot-end

This only includes the changed files.