MUC: Make rooms hidden (non-public) by default for improved privacy Thanks to jonasw for highlighting this with the MUC crawler.

MUC: Use xml:lang from stanza that creates a room as default for language

MUC: Add support for setting MUC room defaults from the config file Defaults are roughtly like this: muc_rooom_default_public = true muc_rooom_default_persistent = false muc_rooom_default_members_only = false muc_rooom_default_moderated = false muc_rooom_default_public_jids = false muc_rooom_default_change_subject = false muc_room_default_history_length = 20 muc_room_default_language = nil

MUC: Enable room locking by default to gather feedback (#328)

MUC: Move voice request into its own lib

util.dataforms: Add a simple function for identifying form types This is meant to allow identifying forms without parsing them completely.

util.dataforms: Remove string conversion to let util.stanza validate types

util.dataforms: Add initial tests This covers basic form generation, that the fields have the correct attributes, children and text content.

MUC: Correctly use a multiple options field for requested role (thanks jonasw)

MUC: Handle and return error in role change when granting voice