Add fragment size distribution

Make a graphic of fragment size distribution

changed milestone to %Version 2.0

added enhancment label

samtools view ATAC_f2q30_sorted.bam | awk '$9>0' | cut -f 9 | sort | uniq -c | sort -b -k2,2n | sed -e 's/^[ \t]*//' > fragment_length_count.txt

plot density and log of density at the filtered bam file step

created merge request !23 (closed) to address this issue

mentioned in merge request !23 (closed)

mentioned in merge request !24 (merged)

closed via merge request !24 (merged)

mentioned in commit ec163e1a