Jupyterlab-server

- Add store ID to page config [74](https://github.com/jupyterlab/jupyterlab_server/pull/74) ([saulshanabrook](https://github.com/saulshanabrook))

- fix page config escaping [73](https://github.com/jupyterlab/jupyterlab_server/pull/73) ([nicorikken](https://github.com/nicorikken))

- Use json5 to load settings files. [71](https://github.com/jupyterlab/jupyterlab_server/pull/71) ([ian-r-rose](https://github.com/ian-r-rose))
- Cleanup for 1.0 [70](https://github.com/jupyterlab/jupyterlab_server/pull/70) ([blink1073](https://github.com/blink1073))
- A 403.html file. Should close jupyterlab issue6065 [69](https://github.com/jupyterlab/jupyterlab_server/pull/69) ([zerline](https://github.com/zerline))

- Cleanup [56](https://github.com/jupyterlab/jupyterlab_server/pull/56) ([blink1073](https://github.com/blink1073))

- Switch to Python 3.5+ [55](https://github.com/jupyterlab/jupyterlab_server/pull/55) ([blink1073](https://github.com/blink1073))
- Switch to jupyter_server [49](https://github.com/jupyterlab/jupyterlab_server/pull/49) ([SylvainCorlay](https://github.com/SylvainCorlay))

- Fix PY2 handing of potential non-unicode paths being slugified. [54](https://github.com/jupyterlab/jupyterlab_server/pull/54) ([afshin](https://github.com/afshin))