Added the crop tool for Hemato Seg

src/MATLAB/+Dev/CompileLEVer.m

src/MATLAB/+Segmentation/HematoSegmentation.m

src/MATLAB/GrayScaleCrop.exe

src/c/GrayScaleCrop.sln

src/c/GrayScaleCrop.vcxproj

src/c/GrayScaleCrop.vcxproj.filters

src/c/GrayScaleCrop/GrayScaleCrop.cpp

src/c/GrayScaleCrop/Threader.h