upload new stemcell if there is a new one
upload new stemcell if there is a new one

sedouard/concourse,jbayer/concourse,cjcjameson/concourse,concourse/concourse,jbayer/concourse,concourse/concourse,concourse/concourse,beni55/concourse,jbayer/concourse,CloudCredo/concourse,cjcjameson/concourse,holgero/concourse,beni55/concourse,zachgersh/concourse,holgero/concourse,zachgersh/concourse,holgero/concourse,squeedee/concourse,squeedee/concourse,cjcjameson/concourse,longnguyen11288/concourse,CloudCredo/concourse,CloudCredo/concourse,beni55/concourse,longnguyen11288/concourse,longnguyen11288/concourse,sedouard/concourse,concourse/concourse,Amit-PivotalLabs/concourse,concourse/concourse,Amit-PivotalLabs/concourse,sedouard/concourse,zachgersh/concourse,squeedee/concourse,Amit-PivotalLabs/concourse