Add mirbase for TAIR10
Add mirbase for TAIR10

https://github.com/chapmanb/bcbio-nextgen/issues/1416

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