新增RawGoNode与RawCastGo接口，支持RPC附带原始数据

rpc/rpc.proto

@@ -3,12 +3,22 @@ syntax = "proto2";
 
 package rpc;
 
+message AdditionParam {
+   oneof addition_oneof {
+    int64  SParam     = 10;
+	uint64 UParam  = 11;
+	string StrParam   = 12;
+    bytes  BParam   = 13;	
+  }
+}
 
-message PBRpcRequestData{
+
+message PBRpcRequestData{  
   optional uint64 Seq           = 1;
   optional string ServiceMethod = 2;
   optional bool NoReply         = 3;
   optional bytes   InParam      = 4;
+  optional AdditionParam addtionParam = 5;
 }
 
 message PBRpcResponseData{