Update router to include optiflow and linedance routes
Bugfix -- navigator.getUserMedia now requires a third argument (a Chrome error is thrown otherwise)
Bugfix -- navigator.getUserMedia requires 3 args
Detect optical flow data from client webcam using oflow and send to server via a Socket.io connection
Include oflow in the optiflow page for client-side optical flow detection
Set up an alternate visualization page (linedance)