Eco disaster autonomous behaviour

[dannystaple]

This will be among the harder autonomous behaviours. It may require monte carlo and mapping.
Use the camera and sensor to determine where the robot is, and which barrels are in view. It may need to turn to assess the landscape, then choose a barrel to move and it's destination.
It then needs to safely navigate to that barrel, lift it, navigate to where the drop off is and drop it.

Definition of ready

• Distance sensors service #46
• Eco Disaster Manual App page #44
• Attach motor encoders to Yukon #52

Definition of done

• PR merged that attempts to pick up a single barrel autonomously
• PR merged that attempts to navigate the barrel to it's destination and place it
• PR merged with Phone app page to monitor the above -may be iterated as the others develop.
• Plans for many barrels or a more efficient system