leak fix, DNS docs, and routing

• fix route check so it doesn't leak before the routes are configured.
• examples: add dnsmasq cfg, update stubby resolver list
• fix rules (allow encrypted DNS), update docs

official 0.9.0 alpha release

• update and restructure docs
• small adjustment to route-check args

infra node cleanup handlers

• added new cleanup funcs and scheduled cleanup job for root node
• added cleanup queues and job scheduler for daemon scripts
• added extra staging_queue cfg msg handler to ctlr node
• removed port 853 from ctlr network rules

user configurable timeout

• added net_change timeout value to fpnd.ini to allow for some tuning

extended net change timeout

extended net change timeout for high latency/bad connections

make net_check retries scheduled

• update run_until_success decorator with unschedule arg
• add decorator to net_check command with unschedule=false
• limit wget args so it can only block up to 3 sec

more docs and cleanup

• cleanup in show-geoip.sh
  • completely comment out currently unused curl code
  • comment fallback call to wget
• pull in WIP doc updates

tuning updates

• extended moon timeout to 45 sec
• switched MASQ back to SNAT in the fpn0-setup script
• changed geoip timeout back to 1

more config options

• add settings option to route plain-text dns, default off
• wire config options so private_dns_only overrides the route_dns option
• add drop-in config for systemd-resolvd to use external dns while preserving local interface config

more route and interface introspection

Distro fixes for multiple default routes and network interface names.