pin singleuser script to 0.6.1 in docker images
pin singleuser script to 0.6.1 in docker images

I'm planning to move it soon, so this will stop working

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