plugin XEP-0167: handle conferences: - SDP can now be answered by component instead of frontend. This is useful for A/V conferences component to handle A/V call jingle sessions. - new `call_update` and method, and `content-add` action preparation. This is not yet used by A/V conference, but it's a preparation for a potential future use. - Add NS_AV_CONFERENCES to features as required by the newly proposed A/V Conferences protoXEP. rel 447

[Desktop Entry]
Type=Application
Name=Libervia TUI (Primitivus)
Comment=console frontend for Libervia (XMPP)
Exec=libervia-tui
Icon=org.libervia.LiberviaTUI
Categories=Network;InstantMessaging;Chat;FileTransfer;RemoteAccess;
Keywords=xmpp;chat;messaging;im;file;sharing;communication;jabber;social;network;decentralization;console;