admin: Add quotas in user details page

User quotas are essentially a record of the level of used resources from
the various projects that a user has. For each project, we display only
the resources that have meaning, i.e. only the resources that the user
can draw from.
admin: Add list type at the top of every item list
admin: Add networks in user details

Fetch networks and present them the same way as in the old helpdesk app.
admin: Add more info in the user details section

Add list of auth providers and action log.
admin: Add more info in project details section

Add members and member policies, as well as various dates.
Merge branch 'feature-admin-user-details' into feature-admin

Fixes #23, #19