Given a set of angles/distances to landmarks, determine where robot is on field

[cpdupuis]

Using the information about visible landmarks, the robot needs to be able to determine where it is on the field. This will probably involve using the angles to each visible landmark, as well as its distance.

[yakiddinmeb]

Latest pull request should fulfill this, I hope.

[skallaher]

@yakiddinmeb , please close issues after the pull request is merged. 😃