Fix typo in GRCh37 prioritize download. Fixes #215
Fix typo in GRCh37 prioritize download. Fixes #215

rchekaluk/cloudbiolinux,joemphilips/cloudbiolinux,rchekaluk/cloudbiolinux,rchekaluk/cloudbiolinux,chapmanb/cloudbiolinux,joemphilips/cloudbiolinux,chapmanb/cloudbiolinux,rchekaluk/cloudbiolinux,chapmanb/cloudbiolinux,joemphilips/cloudbiolinux,joemphilips/cloudbiolinux,chapmanb/cloudbiolinux