Raspberry Pi Camera (v2) modified arm for Prusa i3 MK2

I had to much vibration from the original arm so I did a quick and dirty remix of just the arm, get the rest of the parts from the original thing here: http://www.thingiverse.com/thing:2194025

Also changed the mount under the heat bed to be shorter so it won't crash into the zip tie for the rod, and this version is mirrored from the original to mount it on the left side, you can mirror it back in your slicer if you want it on the right side.

EDIT 2017-05-29:

After adding changing to Til