avoid redundant -s for bsmap
avoid redundant -s for bsmap

dariober/bwa-meth,brentp/bwa-meth,brentp/bwa-meth,brentp/bwa-meth,dariober/bwa-meth,dariober/bwa-meth,PeteHaitch/bwa-parclip,PeteHaitch/bwa-parclip,PeteHaitch/bwa-parclip