Remove default filters in mpileup as well...

bump version

Add default values for new columns to prevent 'null'

Add download-path to mpi ftp server

fix parse_report.py for missing orders

Switch column order in final_report, bump version

Fix bam_deam_stats.py

Merge branch 'master' into write-the-docs

Remove filter for 'Mammalia' within the pipeline

Handle divide by 0 in nextflow channels

A simple proportion calculation done in a Nextflow Channel
resulted in a 'Division undefined' error caused by a 0/0 calculation.
This commit includes for the channels in question a check and
inserts a 0 if one of the two parameters are 0