Give DNS seeds a random age between 3 and 7 days old
Give DNS seeds a random age between 3 and 7 days old

This speeds up initial connections with an old/large addr.dat a lot.

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