{AH} add htslib Makefile to tar-ball
{AH} add htslib Makefile to tar-ball

pysam-developers/pysam,pysam-developers/pysam,bioinformed/pysam,pysam-developers/pysam,pysam-developers/pysam,kyleabeauchamp/pysam,bioinformed/pysam,TyberiusPrime/pysam,TyberiusPrime/pysam,kyleabeauchamp/pysam,bioinformed/pysam,TyberiusPrime/pysam,kyleabeauchamp/pysam,bioinformed/pysam,TyberiusPrime/pysam,kyleabeauchamp/pysam,bioinformed/pysam,TyberiusPrime/pysam,kyleabeauchamp/pysam