Merge pull request shantnu#6 from furetosan/master

OpenCV3 support

Author: shantnu

README.md

@@ -5,3 +5,5 @@ Run the code like this:
 If you want to understand how the code works, the details are here:
 
 https://realpython.com/blog/python/face-recognition-with-python/
+
+EDIT: now works with OpenCV3.

face_detect.py

@@ -17,8 +17,8 @@
     gray,
     scaleFactor=1.1,
     minNeighbors=5,
-    minSize=(30, 30),
-    flags = cv2.cv.CV_HAAR_SCALE_IMAGE
+    minSize=(30, 30)
+    #flags = cv2.CV_HAAR_SCALE_IMAGE
 )
 
 print "Found {0} faces!".format(len(faces))