Update otracker : createTracker is now create

update chap 1

initial chap 1

few updates on chap 14

detect people in chap 14

hog example in chap 14

haar in chapter 14

minor updates on haar classifier in chap 14

updated haar classifier in chap 14

face recognizer of chapter 14 updated

train svm in chap 14

adding face recognizer chap 14

adding chap 14

updating object tracker

updated visual object tracking in chap 13