Merge remote branch 'upstream/master'

Conflicts:
	src/bitcoinrpc.cpp

src/main.cpp

@@ -21,9 +21,6 @@ set<CWallet*> setpwalletRegistered;
 
 CCriticalSection cs_main;
 
-CCriticalSection cs_mapPubKeys;
-map<uint160, vector<unsigned char> > mapPubKeys;
-
 map<uint256, CTransaction> mapTransactions;
 CCriticalSection cs_mapTransactions;
 unsigned int nTransactionsUpdated = 0;