Change min relay transaction fee to 0.02 LTC

src/main.h

@@ -34,7 +34,7 @@ static const int MAX_BLOCK_SIGOPS = MAX_BLOCK_SIZE/50;
 static const int64 COIN = 100000000;
 static const int64 CENT = 1000000;
 static const int64 MIN_TX_FEE = 10000000; // Litecoin: minimum transaction fee of 0.1 LTC
-static const int64 MIN_RELAY_TX_FEE = 10000000; // Litecoin: minimum relay transaction fee of 0.1 LTC
+static const int64 MIN_RELAY_TX_FEE = 2000000; // Litecoin: minimum relay transaction fee of 0.02 LTC
 static const int64 MAX_MONEY = 84000000 * COIN; // Litecoin: maximum of 840k coins
 inline bool MoneyRange(int64 nValue) { return (nValue >= 0 && nValue <= MAX_MONEY); }
 static const int COINBASE_MATURITY = 100;