Added documenation of the Earth Mover Distance (C++ interface, ticket #696)
Added documenation of the Earth Mover Distance (C++ interface, ticket #696)

opencv/opencv,apavlenko/opencv,opencv/opencv,opencv/opencv,apavlenko/opencv,opencv/opencv,opencv/opencv,opencv/opencv,opencv/opencv,apavlenko/opencv,opencv/opencv,apavlenko/opencv,opencv/opencv,apavlenko/opencv,apavlenko/opencv,opencv/opencv