update for new /out behavior
update for new /out behavior

git /out takes repo to push as a param; docker-image /out now chdirs to source

concourse/docker-image-resource,SillyMoo/docker-image-resource,ggeorgiev/docker-image-resource,barthy1/docker-image-resource,SillyMoo/docker-image-resource,Pivotal-DataFabric/docker-image-resource,concourse/docker-image-resource,ggeorgiev/docker-image-resource,barthy1/docker-image-resource