download:
https://github.com/samtools/samtools/releases/download/1.8/samtools-1.8.tar.bz2
https://github.com/samtools/bcftools/releases/download/1.8/bcftools-1.8.tar.bz2
https://github.com/samtools/htslib/releases/download/1.8/htslib-1.8.tar.bz2
install:
./configure--prefix=pathway
make
make install
export PATH=pathway:$PATH