Fix and improve user, group, role and provider handling

Description

This is an umbrella issue for a set of related fixes to user, group, role and provider handling.

Some slides which describe this work presented at the Opencast Valencia 2017 Conference:

https://www.slideshare.net/smarquard/opencast-valencia-2017-users-groups-roles-acls-and-providers

Assignee

Stephen Marquard

Reporter

Stephen Marquard

Tags (folksonomy)

None

Components

Fix versions

Affects versions

Priority

Major
Configure