Do not invoke anti-DoS system for invalid BIP16 transactions
Do not invoke anti-DoS system for invalid BIP16 transactions

Doing so would allow an attack on old nodes, which would relay a
standard transaction spending a BIP16 output in an invalid way,
until reaching a new node, which will disconnect their peer.

Reported by makomk on IRC.

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