add Locus and Locus_Alleles list type

[ClayBirkett]

Add locus and locus_alleles list type MarkerSet should use list type of locus_alleles

5198

Checklist

• [ ] Refactoring only
• [ ] Documentation only
• [ ] Fixture update only
• [ ] Bug fix
  • [ ] The relevant issue has been closed.
  • [ ] Further work is required.
• [x ] New feature
  • [ ] Relevant tests have been created and run.
  • [ ] Data was added to the fixture
  • [ ] Data was added via a patch in /t/data/fixture/patches/.
  • [ ] User-Facing Change
  • [ ] The user manual in /docs has been updated.
  • [ ] Any new Perl has been documented using perldoc.
  • [ ] Any new JavaScript has been documented using JSDoc.
  • [ ] Any new legacy JavaScript has been moved from /js to /js/source/legacy.

[ryan-preble]

Should the DB patch remove the locus_ids list type in addition to adding the locus list type? As far as I can tell this will result in users being able to make lists of locus_ids, locus, and locus_alleles