Moved to google.golang.org/genproto/googleapis/api/annotations

Fixes #52

vendor/github.com/grpc-ecosystem/grpc-gateway/options/options.proto

@@ -0,0 +1,27 @@
+syntax = "proto2";
+option go_package = "options";
+
+package gengo.grpc.gateway;
+import "google/protobuf/descriptor.proto";
+
+message ApiMethodOptions {
+	// Use HttpRule instead.
+	option deprecated = true;
+
+	extend google.protobuf.MethodOptions {
+		// Describes how the gRPC method should be exported as a RESTful API.
+		//
+		// The id is a globally unique id for this option, assigned by
+		// protobuf-global-extension-registry@google.com.
+		optional ApiMethodOptions api_options = 1022;
+	}
+
+	// Path of the RESTful API method.
+	// Path components which start with colon is mapped to the corresponding fields in the request message.
+	required string path = 1;
+	// HTTP method of the RESTful API method
+	required string method = 2;
+	// Human-readable description of the method.
+	optional string description = 3;
+}
+