uncertain robot on brickpi which can navigate waypoints in its sleep

• archive/ - needs sorting
• canvas.py - draws on the canvas and defines the walls of the environment
• navigation.py - navigates a robot through the environment using particles class
• particles.py - defines a particle class which supports MCL localisation
• recognition.py - can learn and recognise waypoints by doing a sonar sweep
• robot.py - control for robot motors and sensors
• run.py - example use cases