Faucet

* Fix newly added ports not working after config reload
* Document running hardware tests from VMware controller host not supported.
* Tests should fail faster if hardware test environment is not correct
* Upgrade Sphinx to 1.8.3.
* Upgrade pytype to 2018.12.21.

* Log mismatched LACP remote system ID
* Implement loop protection for external switches (add loop_protect_external: True to ports connected to an external switch, enabling FAUCET networks to be multiply connected to other broadcast domains)
* Hardware integration test fixes for non ports 1-4, and table resizing
* Fix port reset with permanent learn enabled
* Fix handling of missing config file

* Allow dot1x to run on port numbers up to 65535
* Fix crash when using apt packages
* Enable group output when using stacking

* Fix 802.1x de-auth
* Fix 802.1x handling of port status changes
* 802.1x support for PEAP
* Hash config file contents as well as stat config files when detecting config changes
* Send approx 50% fewer flood table flows
* Don't send unnecessary delete for output_port=n
* Test VLAN priority match and set
* Remove unused integration tests for ZodiacFX

* Basic decoding of OFErrors
* Send CONFIG_CHANGE status on event channel
* Flood manager sends fewer rules on port changes
* Flow mods/adds always sent highest priority first
* Upgrade of Prometheus client to 0.4.2, including OpenMetric support (and _total to counter names)
* Fix docker-in-docker test failures
* Fix hardware tests where not using ports 1-4
* Fix mirrored broadcast traffic always tagged

* Run 802.1X tests on hardware switches
* Upgrade to Chewie 0.0.10 (802.1X features)
* Fix YAML ambiguity in old style ACL rules
* Gauge and FAUCET: Add port_description label to all port variables
* Gauge: fix crash writing to unwritable dir
* Gauge: fix empty DPs list overriding all_dps