Add to description referencing AWS credentials.
Add to description referencing AWS credentials.

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