Updated keyhole visualiser stuff
Added capture of tilt experiment and code to manage it
Added data from the Tate modern
Added scipy cookbook code to fit a gaussian
Added orientctl tool to gather data from Orients
Added two Orient walk data, plus code to display it
Files to handle gyro data of gaits
New data from the keyhole simulator, using Orients this time.  Also added code to load it and get quaternions
Added new orient keyhole simulator database
Adding data
added Processing script that visualises Vicon data