- Run both gRPC and AMQP servers simultaneously
- Take explicit constructor parameters and unexport fields that were previously set by users
- Remove transitional DomainCheck code in RA now that GSB is enabled.
- Remove some leftover UpdateValidation dummy methods.
* Split out CAA checking service (minus logging etc)
* Add example.yml config + follow general Boulder style
* Update protobuf package to correct version
* Add grpc client to va
* Add TLS authentication in both directions for CAA client/server
* Remove go lint check
* Add bcodes package listing custom codes for Boulder
* Add very basic (pull-only) gRPC metrics to VA + caa-service