Bug#747552: mate-power-manager creates popups as persistent, regular windows; leads to huge marco / window switching slowdown

[Stefano Karapetsas]

> Are you sure? I actually have working pop-up notifications with
> notification-daemon installed while mate-notification-daemon is not
> installed on Mate.
notification-daemon removed the dbus activation file and added an 
autostart file here:
https://git.gnome.org/browse/notification-daemon/commit/data?id=1ad20d22098bc7718614a8a87744a2c22d5438d0

But I dont know about packages in debian, and if there are differences 
between wheezy and jessie