Yuki Yugui Sonoda

Encoding with application/x-www-form-urlencoded

14

Today request/response body is always encoded in JSON. Should accept application/x-www-form-urlencoded too. 1. Define a new field in the custom option to define a list of acceptable encoding of request...

Generate main func

7

protoc-gen-grpc-gateway should optionally generate the main function of the gateway server so that users don't need to write any golang codes unless they want to customize the entrypoint.

According to [the spec](https://github.com/google/googleapis/blob/master/google/api/http.proto), `google.api.CustomHttpPattern.kind` can be `*`. In this case the http pattern matches to any http method. Support this feature in the implementation of grpc-gateway.