Changes

* Protocrypt: http://blafh.blogspot.ch/2014/03/ctf-writeup-insomnihack-2014-protocrypt.html* Encoding: http://blafh.blogspot.ch/2014/03/ctf-writeup-insomnihack-2014-encoding.html* Leeeetcrypto: http://blafh.blogspot.ch/2014/03/ctf-writeup-insomnihack-2014.html