commit 4f6e6e6963e57ab0ad0fdcbdf0b94781320daac6
Author: Jan Dankert 
Date:   Mon Apr 13 22:33:04 2020 +0200

    New: An action for navigating to the user and group administration.

 modules/cms/action/TreeAction.class.php            |  3 +-
 modules/cms/action/UsergroupAction.class.php       | 52 ++++++++++++++++++++++
 .../themes/default/html/views/usergroup/show.php   | 38 ++++++++++++++++
 .../default/html/views/usergroup/show.tpl.src.xml  | 28 ++++++++++++
 modules/util/Tree.class.php                        |  1 +
 5 files changed, 121 insertions(+), 1 deletion(-)