minor code style cleanup after recent merges

- add a missing license header
- correct some header orderings etc.

src/crypter.h

@@ -1,13 +1,13 @@
 // Copyright (c) 2009-2013 The Bitcoin developers
-// Distributed under the MIT/X11 software license, see the accompanying
+// Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #ifndef BITCOIN_CRYPTER_H
 #define BITCOIN_CRYPTER_H
 
 #include "allocators.h"
-#include "serialize.h"
 #include "keystore.h"
+#include "serialize.h"
 
 class uint256;