Tracking-Learning-Detection and MedianFlow

This contribution includes the following logical components into
tracking module:
    
   *) Change Rect to Rect2d into headers for Tracker's methods;
    This contribution includes the following logical components into
    tracking module:
    
    *) Change Rect to Rect2d into headers for Tracker's methods;
    *) MedianFlow tracker;
    *) extensible benchmark to compare trackers interactively and assess
    them quantitatively;
    *) TLD tracker (work-in-progress);
    
Work was funded by Google Summer of Code 2014 initiative. Mentors: Gary
Bradski and Vadim Pisarevsky.
This contribution includes the following logical components into
tracking module:
    
    *) Change Rect to Rect2d into headers for Tracker's methods;
    *) MedianFlow tracker;
    *) extensible benchmark to compare trackers interactively and assess
    them quantitatively;
    *) TLD tracker (work-in-progress);
    
Work was funded by Google Summer of Code 2014 initiative. 
Mentors: Gary Bradski and Vadim Pisarevsky.