Avoid feelnc writing to input directory

[pavanvidem]

FOR CONTRIBUTOR:

• - I have read the CONTRIBUTING.md document and this tool is appropriate for the tools-iuc repo.
• - License permits unrestricted use (educational + commercial)
• - This PR adds a new tool or tool collection
• - This PR updates an existing tool or tool collection
• - This PR does something else (explain below)

[bgruening]

maybe add a comment, why this linking is needed :)

ping @natefoo

[pavanvidem]

The tool needs a .index file for the genome FASTA file. The .index file is created in the input directory where the FASTA file is located. Symlink the genome FASTA to the working directory to avoid writing to inputdir.

[bgruening]

The tool needs a .index file for the genome FASTA file. The .index file is created in the input directory where the FASTA file is located. Symlink the genome FASTA to the working directory to avoid writing to inputdir.

Sorry, I meant in the XML. Not that someone else removes it.