AGR-120 Added test_set option for orthology loading.
AGR-120 Added test_set option for orthology loading.

nathandunn/agr,alliance-genome/agr_prototype,nathandunn/agr,nathandunn/agr,alliance-genome/agr,nathandunn/agr,alliance-genome/agr,alliance-genome/agr,alliance-genome/agr_prototype,alliance-genome/agr