Manpages of src:bio-tradis in Debian stretch-backports

• add_tradis_tags(1)
• bacteria_tradis(1)
• check_tradis_tags(1)
• combine_tradis_plots(1)
• filter_tradis_tags(1)
• remove_tradis_tags(1)
• tradis_comparison(1)
• tradis_essentiality(1)
• tradis_gene_insert_sites(1)
• tradis_merge_plots(1)
• tradis_plot(1)