-bip16 option (default: 1) to support / not support BIP 16. And bumped default BIP16 switchover date from Feb 15 to Mar 1

src/main.h

@@ -49,10 +49,7 @@ static const int fHaveUPnP = false;
 #endif
 
 
-// Put "/P2SH/" in the coinbase so everybody can tell when
-// a majority of miners support it
-static const char* pszP2SH = "/P2SH/";
-static const CScript COINBASE_FLAGS = CScript() << std::vector<unsigned char>(pszP2SH, pszP2SH+strlen(pszP2SH));
+extern CScript COINBASE_FLAGS;