add script to draw roc curves
add script to draw roc curves

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