v0.6.9

Changelog v0.6.9:

2564c7b Bump core version and update portbase version
9b22e5c Increase network state delete threshold to 10 minutes
4b2db03 Unify allow/block naming in messages
18617fc Improve resolver unfailing
ab89a32 Add network api endpoints
5731be0 Switch to firewall based ICMP listener and improve location mgmt
99c8c80 Switch to flag based cache validation
d16810c Switch to powershell for getting gateways and nameservers on Windows
5518e95 Fix dbus interface for IPv4/6-only environments
259a0a8 Add ICMP listener
5d61b7b Improve packet parsing
3abaca1 Improve System DNS matching on Windows