Set of improvements and fixes from Nicola Soranzo changeset: 9:c3dae016a3eb files: metaphlan.xml description: Update citation changeset: 8:f58b66b4e5fc files: metaphlan.xml description: Add select lists for -t and --tax_lev options Also some small fixes changeset: 7:94a2b29778b7 files: metaphlan_to_phyloxml.xml description: Clarify that only result of rel_ab analysis is accepted as input changeset: 6:b0eba028dee8 files: metaphlan.xml metaphlan_to_phyloxml.xml description: Fix whitespaces changeset: 5:4340075c8a93 files: tool_dependencies.xml description: Correct metaphlan clone URL to avoid a redirect changed metaphlan.xml changed metaphlan_to_phyloxml.xml changed tool_dependencies.xml