revert !firststrand in BamToBw.R
revert !firststrand in BamToBw.R

aehrc/ngsane,aehrc/ngsane,BauerLab/ngsane,clark-lab/ngsane,aehrc/ngsane,BauerLab/ngsane,BauerLab/ngsane,clark-lab/ngsane,aehrc/ngsane,clark-lab/ngsane,BauerLab/ngsane,clark-lab/ngsane