removed the filterSpeckles, getValidDisparityROI, validateDisparities functions and added the calib3d module in the dependency

changed the ptr<StereBinaryBM> to ptr<cv::stereo::StereoBinaryBM>

modified the documentation

modified documentation for the stereo_c

documentation

doc

fixed two issues

modfified the precomp.hpp header by explicitly adding the cvdef header from core

modified comments for documentation for stereo and removed some headers

added a header and modified some function definition

test

test 2

changed exports_w to exports

removed the correct matches module

made some extra changes to the modules so I receive no warnings

moved the opencv2/core/private.hpp from stereo_binary_sgbm.cpp to precomp.hpp

Update README.md