Adding functionality to change from ARToolkit coordinate system to ikaros coordinate system. Also adding an image from ARToolkit documentation.
Revert "Adding functionality to change from ARToolkit coordinate system to ikaros coordinate system. Also adding an image from ARToolkit documentation."

This reverts commit d9cd71d1c0c48f6e7708acc790dc787dfc5131f8.
Adding new markerTracker to Master. Also adding coordinate_system parameter.
Langth parameter added to circle
Circle updated
Adding h_rotation_matrix(h_matrix r, float x, float y, float z)