message: notebook progress bar support
diff: @@ -37,6 +37,9 @@ cp {{MLDB_PUBLIC_HTML_PATH}}/resources/images/mldb_ipython_logo.png {{IPYTHON_IM
  export JUPYTER_CONFIG_DIR={{IPYTHON_DIR}}/config
  export SHELL="/bin/bash"
  +exec /sbin/setuser _mldb \
  + /usr/local/bin/jupyter nbextension enable --py --sys-prefix widgetsnbextension
  +
  exec /sbin/setuser _mldb \
  /usr/local/bin/jupyter notebook \
  --log-level=ERROR
  