Allow option to remove containers after they're stopped
Allow option to remove containers after they're stopped

quantopian/dockerspawner,jhamrick/dockerspawner,Xarthisius/dockerspawner,bigzachattack/dockerspawner,Fokko/dockerspawner,minrk/dockerspawner,jlamcanopy/dockerspawner,bigzachattack/dockerspawner,jhamrick/dockerspawner,quantopian/dockerspawner,minrk/dockerspawner,ibab/dockerspawner,jupyter/dockerspawner,anaderi/dockerspawner,anaderi/dockerspawner,betatim/dockerspawner,jupyter/dockerspawner,jlamcanopy/dockerspawner,Xarthisius/dockerspawner,ibab/dockerspawner,Fokko/dockerspawner,betatim/dockerspawner