moved precomp.hpp before all other headers (to repair PCH mechanism). moved tables from the header to datamatrix.cpp
moved precomp.hpp before all other headers (to repair PCH mechanism). moved tables from the header to datamatrix.cpp

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