Abstract away more game-specific elements

[andrewda]

It'd be nice to abstract away as many game-specific elements as possible. This might be a pretty big task, but I think it can be broken down into several smaller tasks. Eventually, this might become something like the Limelight dashboard.

• Read in model points from file

  vision/vision/cv_utils.py

  Lines 16 to 27 in 628903d

  	# Points comprising 3D model of target
  	full_model_points = np.array([
  	(-5.938, 2.938, 0.0),
  	(-4.063, 2.375, 0.0),
  	(-5.438, -2.938, 0.0),
  	(-7.375, -2.500, 0.0),
  	(3.938, 2.375, 0.0),
  	(5.875, 2.875, 0.0),
  	(7.313, -2.500, 0.0),
  	(5.375, -2.938, 0.0),
  	])

• Allow n number of vision targets
• ... more