Calibration Tool

Makes a calibration tool that people other than me can actually use.

Features:
* is its own tool, won't hang around awkwardly when not wanted
* checks for necessary log files and disables itself accordingly
* loads parameters for robots from the code... can't set them because that involves actually editing code
* can set the robot to typical calibration positions or to any old position depending on what you want
* improved line projections, courtesy of Octavian. still not perfect, but less weirdness is evident.
* generally awesome UI

To use: make calibrate (in the tool directory, obviously)