Improved Compact Autolevel Shroud

Update 061917: I have uploaded a more up to date version with a wider base to accommodate both smaller style and larger style Bearings that are found on the end of push rods. This will help with clearance issues some people have with the fans as well. I have removed the ability to auto level using the shroud itself and in its place have attachment points for auto leveling sensors. See the link below for the updated shroud:

https://www.thingiverse.com/thing:2393218/#files

This is an improve