Cylc-uiserver

Multi-user functionality implemented.

[Updated cylc-ui to 0.6.0](https://github.com/cylc/cylc-ui/blob/master/CHANGES.md#cylc-ui-06-released-2021-11-10)

Enhancements

[204](https://github.com/cylc/cylc-uiserver/pull/**204**) -
Implementation of configurable multi user authorisation.

[230](https://github.com/cylc/cylc-uiserver/pull/230) -
Convert the UI Server to a jupyter_server extension.

Fixes

[258](https://github.com/cylc/cylc-uiserver/pull/258) -
Fix traceback which could appear when workflows are removed.

[241](https://github.com/cylc/cylc-uiserver/pull/241) -
Update old, broken hold options for playing workflows.

[272](https://github.com/cylc/cylc-uiserver/pull/272) -
Allowed broken entries in the group id database to be
ignored and logged without causing total failure.

Enhancements

[214](https://github.com/cylc/cylc-uiserver/pull/214) -
Store the JupyterHub runtime files in ~/.cylc/hub.

Enhancements

[202](https://github.com/cylc/cylc-uiserver/pull/202) -
Add authorisation for multi-user setups.

[197](https://github.com/cylc/cylc-uiserver/pull/197) -
Make the workflow scan interval configurable.

[188](https://github.com/cylc/cylc-uiserver/pull/188) - UI: package
0.3 prebuild.

[173](https://github.com/cylc/cylc-uiserver/pull/173) - CLI changes
`jupyterhub` -> `cylc hub`, `cylc-uiserver` -> `cylc uiserver`.

[167](https://github.com/cylc/cylc-uiserver/pull/167) - Upgrade
JupyterHub to 1.3.x, and Tornado to 6.1.x. Set auto spawn timeout
to 1 second (effectively enabling it) in our demo configuration.

[125](https://github.com/cylc/cylc-uiserver/pull/125) - Use Tornado
default WebSocket check_origin function.
[124](https://github.com/cylc/cylc-uiserver/pull/124) - Add decorator
for websockets authentication.

[151](https://github.com/cylc/cylc-uiserver/pull/151) - Prevent
`asyncio.gather` errors to be ignored, and allow execution to continue,
logging errors when found.

Fixes

[153](https://github.com/cylc/cylc-uiserver/pull/153) - Fix websocket
connections on webkit based browsers.

Documentation

None.

Security issues

None.

Release 0.2 of Cylc UI Server.

Backward incompatible changes

None or N/A.

Enhancements

[82](https://github.com/cylc/cylc-uiserver/pull/82) - Add subscriptions
support to GraphQL.

[126](https://github.com/cylc/cylc-uiserver/pull/126) - Update JupyterHub
dependency to 1.1.*, and Graphene-Tornado to 2.6.*.

Fixes

None.

Documentation

None.

Security issues

None.

Initial release of Cylc UI Server.