Load orphanet/orphadata data on gene-disease associations and disease-phenotype associations

[andrewsu]

Orphanet provides gene-disease and disease-phenotype associations for rare diseases under at CC-BY 4.0 license.

See link for "Genes associated with rare diseases" in http://www.orphadata.org/cgi-bin/index.php. Current XML file appears to be continuously updated at http://www.orphadata.org/data/xml/en_product6.xml. (See also biothings/mygene.info#109)

See also link for "Rare diseases with associated phenotypes" at the same link above. Current XML file appears to be continuously update at http://www.orphadata.org/data/xml/en_product4.xml

[colleenXu]

@everaldorodrigo @andrewsu @newgene

Not clear if this is something that has been worked on, and if it's in-scope for Everaldo to work on

It looks useful

[newgene]

assigned to @DylanWelzel

[colleenXu]

We may be getting the disease-pheno annotations from orphanet already, through the HPO annotations ingest. However, this information can get overwritten, see #43