adding qhull
adding upstream Makefile
build Qhull as a contributed package
build Qhull programs and add them as a check target
descriptive comment about where the mysterious checks came from
Qhull does not install any headers, yet anyway.
avoid duplicate symbols in C++ library
adding CHANGES file to track changes
avoid unused variable warning
add new generated file
rebootstrap after rebase
fix from bootstrap
boostrap