Fixed issue #53: Use SAM/BAM CIGAR to find the 5' end of read mapped to minus strand. Note, this issue doesn't affect BAMPE module.
Fixed issue #53: Use SAM/BAM CIGAR to find the 5' end of read mapped
to minus strand. Note, this issue doesn't affect BAMPE module.

taoliu/MACS,vd4mmind/MACS,vd4mmind/MACS,vd4mmind/MACS,daler/MACS,taoliu/MACS,taoliu/MACS,daler/MACS,daler/MACS