Add support for basic commands defined in JEP-133: Service Administration

Description

Start implementing JEP-133: Service Administration http://www.jabber.org/jeps/jep-0133.html

4.15. Get Number of Online Users
4.16. Get Number of Active Users
4.21. Get List of Active Users

Custom commands:
1) Get Number of User Sessions
2) Get Presence of Active Users

Environment

None
Fixed

Assignee

Gaston Dombiak

Reporter

Gaston Dombiak