Add support for XMPP Privacy Lists

Description

To configure the server so that only messages from JIDs in the roster (i.e. subscription state 'to', 'from' or 'both') are delivers to the mobile device.

Make sure to document the XEP-0016 usage in transport-xmpp/documentation/supported_xmpp_features.org

Fixed

Assignee

Florian Schmaus

Reporter

Florian Schmaus

Expected Effort

Medium