release 0.3.0
release 0.3.0

jhamrick/dockerspawner,quantopian/dockerspawner,quantopian/dockerspawner,jhamrick/dockerspawner,jupyter/dockerspawner,jupyter/dockerspawner,Fokko/dockerspawner,minrk/dockerspawner,minrk/dockerspawner,Fokko/dockerspawner