Gajim does not detect UPower
Bug description
Since the release of 0.15.1, Gajim fails to recognize (Help > Features) that UPower is installed in my system. When I used Gajim 0.15, it sometimes detected it and sometimes it does not.
Software versions
OS version: Salix OS 13.37 (Slackware 13.37 based)
GTK version: 2.24.4
PyGTK version: 2.22.0