add license header to core_io.h, core_read/_write.cpp

src/core_io.h

@@ -1,3 +1,7 @@
+// Copyright (c) 2009-2014 The Bitcoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 #ifndef __BITCOIN_CORE_IO_H__
 #define __BITCOIN_CORE_IO_H__
 

src/core_read.cpp

@@ -1,3 +1,6 @@
+// Copyright (c) 2009-2014 The Bitcoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include "core_io.h"
 #include "core.h"

src/core_write.cpp

@@ -1,3 +1,6 @@
+// Copyright (c) 2009-2014 The Bitcoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include "core_io.h"
 #include "univalue/univalue.h"