Updated Headfree - Save 'scale' .mat file that loads along with the XML file. Saves at end of Export; Added the Start times of head and gaze motion these are in milliseconds relative to the start of speaker motion
Updated Cycles - added 'saccade' at the start of movement to assist with analysis. Also added saving of 'scale' but this is untested

Signed-off-by: Paul Allen <paul_allen@urmc.rochester.edu>