Add refGene data
Merge pull request #5 from lpalomerol/feature/load_refgene_fixtures

Add refGene data
Loads gene_ontology.dat data
Merge pull request #6 from lpalomerol/feature/load_geneOntology

Loads gene_ontology.dat data
Adds geneAssociation table
Merge pull request #7 from lpalomerol/feature/load_all_fixtures

Feature/load all fixtures