[Feature] Robotics code for allowing joints to track the sun similar to solar panels

[ZodiusInfuser]

Suggested by Gryphorim on the forums:
http://forum.kerbalspaceprogram.com/threads/37707-0-23-5-Magic-Smoke-Industries-Parts-Infernal-Robotics-0-14-stable%29?p=1125924&viewfull=1#post1125924

[sirkut]

I'll look into this feature as I am now more knowledgeable with handling vectors & quaternions.