DOCKER-266: Should inform the user that docker pull -a is not implemented yet
DOCKER-266: Should inform the user that docker pull -a is not implemented yet

owlin/sdc-docker,joyent/sdc-docker,richardkiene/sdc-docker,mehulsbhatt/sdc-docker,misterdjules/sdc-docker,richardkiene/sdc-docker,mehulsbhatt/sdc-docker,owlin/sdc-docker,misterdjules/sdc-docker,joyent/sdc-docker,bixu/sdc-docker,bixu/sdc-docker