Remove potentially truncated previously downloaded files for biodata extraction. closes chapmanb/bcbio-nextgen#7
Remove potentially truncated previously downloaded files for biodata extraction. closes chapmanb/bcbio-nextgen#7

heuermh/cloudbiolinux,lpantano/cloudbiolinux,chapmanb/cloudbiolinux,chapmanb/cloudbiolinux,AICIDNN/cloudbiolinux,elkingtonmcb/cloudbiolinux,kdaily/cloudbiolinux,heuermh/cloudbiolinux,pjotrp/cloudbiolinux,heuermh/cloudbiolinux,kdaily/cloudbiolinux,AICIDNN/cloudbiolinux,AICIDNN/cloudbiolinux,joemphilips/cloudbiolinux,rchekaluk/cloudbiolinux,elkingtonmcb/cloudbiolinux,averagehat/cloudbiolinux,AICIDNN/cloudbiolinux,rchekaluk/cloudbiolinux,rchekaluk/cloudbiolinux,kdaily/cloudbiolinux,heuermh/cloudbiolinux,chapmanb/cloudbiolinux,averagehat/cloudbiolinux,pjotrp/cloudbiolinux,chapmanb/cloudbiolinux,joemphilips/cloudbiolinux,averagehat/cloudbiolinux,lpantano/cloudbiolinux,joemphilips/cloudbiolinux,lpantano/cloudbiolinux,joemphilips/cloudbiolinux,elkingtonmcb/cloudbiolinux,pjotrp/cloudbiolinux,elkingtonmcb/cloudbiolinux,averagehat/cloudbiolinux,pjotrp/cloudbiolinux,rchekaluk/cloudbiolinux,kdaily/cloudbiolinux