- nm: allow disconnection of all device types
- nm: ensure that wired connections are torn down when their hardware goes
away
- nm: fix crash when canceling a VPN's request for secrets
- editor: fix issues changing connections between system and user scopes
- editor: ensure changes are thrown away when editing is canceled
- applet: ensure connection changes are noticed by NetworkManager
- applet: fix crash when creating new connections
- applet: actually use wired 802.1x secrets after they are requested