winswitch: outdated nautilus extension

[onlyjob]

winswitch install nautilus-2 extension to "/usr/lib/nautilus/extensions-2.0/python/nautilus_winswitch.py" but it is due to update for nautilus-3 (which expect extensions to be in "/usr/share/nautilus-python/extensions"). New nautilus do not support old-style extensions... Maybe dropping nautilus extension could be considered if supporting it requires too much effort...