Update of MAFFT and addition of MAFFT-add

[Delphine-L]

Update to the latest version of MAFFT, and addition of the mafft-add tool to add sequence to an existing alignment.

[mvdbeek]

@galaxybot test this

[Delphine-L]

@mvdbeek can this be merged?

[mvdbeek]

@galaxybot test this

[mvdbeek]

@galaxybot test this

[mvdbeek]

Not sure what's going on here:

(4/4) Installing repository mafft-add from rnateam to section "multiple_alignments" at revision aaefa93c2dd2 (TRT: 0:03:06.032192)
	* Error installing a repository (after 0:00:00.058239 seconds)! Name: mafft-add,owner: rnateam, revision: aaefa93c2dd2, error: {"err_msg": "No information is available for the requested repository revision.\nOne or more of the following parameter values is likely invalid:\ntool_shed_url: https://toolshed.g2.bx.psu.edu/\nname: mafft-add\nowner: rnateam\nchangeset_revision: aaefa93c2dd2\n", "err_code": 400008}

[mvdbeek]

@galaxybot test this

[mvdbeek]

@galaxybot deploy this

[mvdbeek]

Still no luck:

+ eval ssh -S /home/jenkins/.cache/usegalaxy-tools/ssh-tunnel-g2test-cvmfs0-psu1.galaxyproject.org.sock -M -Nfn -l g2test cvmfs0-psu1.galaxyproject.org
++ ssh -S /home/jenkins/.cache/usegalaxy-tools/ssh-tunnel-g2test-cvmfs0-psu1.galaxyproject.org.sock -M -Nfn -l g2test cvmfs0-psu1.galaxyproject.org
Permission denied, please try again.
Permission denied, please try again.

[mvdbeek]

Updated this in another PR, I think.