Update docker image base

Hide disallowed operations on the topic management page when the user…

… is not a group owner.

Make buttons in the topic deletion confirmation dialog clearer.
Enable use of the escape key to cancel from the topic deletion confirmation dialog.
Hide 'Manage Users' buttons on the main page for groups in which the user is only a regular member.
Hide the group creation button on the main page from non-staff users.
Make buttons in the credential deletion confirmation dialog clearer.
Enable use of the escape key to cancel from the credential deletion confirmation dialog.
Make buttons in the group deletion confirmation dialog clearer.
Enable use of the escape key to cancel from the group deletion confirmation dialog.

Handle Sympa communication errors so that login is not disrupted

Split topic creation serializer to enforce that only admins can set a…

…dvanced properties.

Support setting all topic properties at creation time.

This is required to be able to set the number of partitions below the default value, as it cannot be decreased.

Make sure static assets of the static website are collected

Add a helper script to simply 'mount' AWS secrets like Kubernetes sec…

…rets

Standardize UI to refer to permissions

Fix bug preventing non-admin users from using the API to operate on t…

…heir own credentials

Link to the services overview page in the navbar