Utility arm servo linkage bracket redesign

Thanks to my co-worker Will, who printed off the new versions of the brackets and posted them to me.

These were great, but these designs also didn't fit the arm. So I redesigned them with a flat race, instead of the curved contact surface. I also shortened some of the versions too.

These along with a few other items will be getting printed over the weekend.
Hoping that these flat versions will be the final design.