Imports
- github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway/generator
- github.com/golang/glog
- github.com/golang/protobuf/proto
- github.com/golang/protobuf/protoc-gen-go/plugin
- github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway/descriptor
- github.com/grpc-ecosystem/grpc-gateway/utilities