Make MIN_TX_FEE match MIN_RELAY_TX_FEE.
Make MIN_TX_FEE match MIN_RELAY_TX_FEE.

Current relay behavior is widely deployed. Supplying a higher minfee than
mining and relaying just irritates users without anti-spam gain.

ahmedbodi/poscoin,coinkeeper/2015-06-22_18-46_reddcoin,joroob/reddcoin,coinkeeper/2015-06-22_19-10_cannacoin,coinkeeper/2015-06-22_18-46_reddcoin,reddink/reddcoin,Cannacoin-Project/Cannacoin,reddink/reddcoin,joroob/reddcoin,reddcoin-project/reddcoin,Cannacoin-Project/Cannacoin,Cannacoin-Project/Cannacoin,joroob/reddcoin,reddink/reddcoin,coinkeeper/2015-06-22_19-10_cannacoin,bmp02050/ReddcoinUpdates,ahmedbodi/poscoin,coinkeeper/2015-06-22_19-10_cannacoin,ahmedbodi/poscoin,joroob/reddcoin,bmp02050/ReddcoinUpdates,reddink/reddcoin,reddcoin-project/reddcoin,ahmedbodi/poscoin,ahmedbodi/poscoin,coinkeeper/2015-06-22_19-10_cannacoin,reddcoin-project/reddcoin,reddcoin-project/reddcoin,bmp02050/ReddcoinUpdates,reddink/reddcoin,Cannacoin-Project/Cannacoin,coinkeeper/2015-06-22_18-46_reddcoin,coinkeeper/2015-06-22_18-46_reddcoin,reddcoin-project/reddcoin,Cannacoin-Project/Cannacoin,bmp02050/ReddcoinUpdates,coinkeeper/2015-06-22_18-46_reddcoin,reddcoin-project/reddcoin,coinkeeper/2015-06-22_19-10_cannacoin,joroob/reddcoin,bmp02050/ReddcoinUpdates