* [go] More idiomatic godoc comments
* [go] Mark deprecated fields and functions
* [go] Minor mustache readability/consistency fixes
* [go] Mark deprecated operation parameters
* [go] Deprecate a petstore component property for testing
* [go] Apply deprecated godoc in Go servers also
* Enhance go api server with interfaces router binding and services
Enhance the default go api server generation to define interfaces for an API's routes and services. Handle an endpoint's http binding in the generated router and the skeleton for the service logic in an API service.
* Include interface documentation in Go Server generation.
