Added Makefile for contrib. removed some stray corefiles from gnu coreutils
Added Makefile for contrib.
removed some stray corefiles from gnu coreutils


danielbarter/minix_book,danielbarter/minix_book,veritas-shine/minix3-rpi,danielbarter/minix_book,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,danielbarter/minix_book,danielbarter/minix_book,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,veritas-shine/minix3-rpi,danielbarter/minix_book,veritas-shine/minix3-rpi