- Add ability to enable/disable the whole module so it doesnt try to send chatstates when we are offline

Fixes #9525

- Option to set default sync threshold
- Option to set default show join/leave
- Option to set default show status message change

- Adapt to nbxmpp now unwraping MAM messages
- Use nbxmpp properties
- Save message-id to database

We now use Gio DBus

This feature was remove from XEP-0045 in Version 1.25 (2012-02-08). We simply now use an uuid instead.

- Fix more pylint errors
- Move caps test for now to broken

- Remove option to hide self contacts for now. This makes the code less
complicated.
- Move as much code as possible into the presence module
- Use nbxmpp properties

- Use nbxmpp properties
- Split into multiple events
- Add new options in the group chat menu for print settings

Seems we cant set an install order for pip requirements, so install precis-18n alone

- Use nbxmpp properties