Rebrand README.md

How could I forgot this file...

README.md

@@ -1,9 +1,9 @@
-Bitcoin integration/staging tree
+Bitcoin Core integration/staging tree
 ================================
 
 http://www.bitcoin.org
 
-Copyright (c) 2009-2013 Bitcoin Developers
+Copyright (c) 2009-2013 Bitcoin Core Developers
 
 What is Bitcoin?
 ----------------
@@ -11,16 +11,16 @@ What is Bitcoin?
 Bitcoin is an experimental new digital currency that enables instant payments to
 anyone, anywhere in the world. Bitcoin uses peer-to-peer technology to operate
 with no central authority: managing transactions and issuing money are carried
-out collectively by the network. Bitcoin is also the name of the open source
+out collectively by the network. Bitcoin Core is the name of open source
 software which enables the use of this currency.
 
 For more information, as well as an immediately useable, binary version of
-the Bitcoin client software, see http://www.bitcoin.org.
+the Bitcoin Core software, see http://www.bitcoin.org/en/download.
 
 License
 -------
 
-Bitcoin is released under the terms of the MIT license. See [COPYING](COPYING) for more
+Bitcoin Core is released under the terms of the MIT license. See [COPYING](COPYING) for more
 information or see http://opensource.org/licenses/MIT.
 
 Development process