move debug.log and db.log to data dir, portable GetDataDir, optimize GetBalance, fix repaint bogdown, -addnode and -? switches

irc.h

@@ -1,11 +1,6 @@
 // Copyright (c) 2009 Satoshi Nakamoto
 // Distributed under the MIT/X11 software license, see the accompanying
 // file license.txt or http://www.opensource.org/licenses/mit-license.php.
-
-#ifndef __WXMSW__
-#define closesocket(s) close(s)
-typedef u_int SOCKET;
-#endif
 
 extern bool RecvLine(SOCKET hSocket, string& strLine);
 extern void ThreadIRCSeed(void* parg);