* debian/lubuntu-default-settings.install: - Re-add missing lubuntu-logout.desktop. * etc/xdg/lxsession/*/desktop.conf - Remove nm-applet to avoid dupplicate on startup. * debian/control: - Create lubuntu-extra-sessions to isolate experimental sessions. * debian/lubuntu-default-settings & debian/lubuntu-extra-sessions - Move files of the extra sessions. * usr/share/lubuntu/openbox/*.xml - Use more lxsession-default when it's possible.