command line and JSON-RPC first draft, requires Boost 1.35 or higher for boost::asio,

added SetBitcoinAddress and GetBitcoinAddress methods on CScript, 
critsect interlocks around mapAddressBook, 
added some random delays in tx broadcast to improve privacy, 
now compiles with MSVC 8.0

net.h

@@ -1,4 +1,4 @@
-// Copyright (c) 2009 Satoshi Nakamoto
+// Copyright (c) 2009-2010 Satoshi Nakamoto
 // Distributed under the MIT/X11 software license, see the accompanying
 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
 
@@ -518,6 +518,7 @@ public:
     vector<CInv> vInventoryToSend;
     CCriticalSection cs_inventory;
     multimap<int64, CInv> mapAskFor;
+    int64 nLastSentTxInv;
 
     // publish and subscription
     vector<char> vfSubscribe;