Switched back to ccv face detection ++

-included numeric.js and ccv.js in packed library
-Switched back to ccv face detector. Ccv face detector seemed to do
better detections with default settings, fiddling with settings in
jsfeat haar cascade might improve detection, will investigate this
later.
-added possibility to draw the vertice paths via parameter in draw
function
-added license
-small fixes
Removed duplicate files

Removed duplicate files