function to get sums in a rectangle grid
changing cuda directory for Arch
removing the print statement
bugfix for image conversions
adding cropped and scaled sources
Merge branch 'master' of github.com:mertdikmen/ViVid

Conflicts:
	python/cv_conversions.py
	src/NumPyWrapper.cpp
	src/_vivid.cpp
Merge branch 'master' of github.com:mertdikmen/ViVid