Update protocol buffer links

README.md

@@ -431,8 +431,8 @@ Please take a quick gander at the [contribution guidelines](https://github.com/a
 *Libraries and tools for binary serialization*
 
 * [cbor](https://github.com/2tvenom/cbor) - Golang library for working with cbor binary format
-* [gogoprotobuf](https://code.google.com/p/gogoprotobuf) - Protocol Buffers for Go with Gadgets
-* [goprotobuf](https://code.google.com/p/goprotobuf) - Go support, in the form of a library and protocol compiler plugin, for Google's protocol buffers.
+* [gogoprotobuf](https://github.com/gogo/protobuf) - Protocol Buffers for Go with Gadgets
+* [goprotobuf](https://github.com/golang/protobuf) - Go support, in the form of a library and protocol compiler plugin, for Google's protocol buffers.
 * [php_session_decoder](https://github.com/yvasiyarov/php_session_decoder) - GoLang library for working with PHP session format and PHP Serialize/Unserialize functions