[validation] default conflicting fees and size to 0
[validation] default conflicting fees and size to 0

This should have no effect in practice, since we only ever call
PreChecks once per transaction.

particl/particl-core,tecnovert/particl-core,jambolo/bitcoin,bitcoinknots/bitcoin,fanquake/bitcoin,instagibbs/bitcoin,fanquake/bitcoin,achow101/bitcoin,anditto/bitcoin,anditto/bitcoin,sstone/bitcoin,Xekyo/bitcoin,AkioNak/bitcoin,yenliangl/bitcoin,ajtowns/bitcoin,jlopp/statoshi,dscotese/bitcoin,namecoin/namecoin-core,domob1812/namecore,GroestlCoin/bitcoin,namecoin/namecore,yenliangl/bitcoin,prusnak/bitcoin,Xekyo/bitcoin,kallewoof/bitcoin,lateminer/bitcoin,namecoin/namecore,jambolo/bitcoin,andreaskern/bitcoin,GroestlCoin/GroestlCoin,achow101/bitcoin,anditto/bitcoin,fanquake/bitcoin,sipsorcery/bitcoin,particl/particl-core,Xekyo/bitcoin,jambolo/bitcoin,lateminer/bitcoin,domob1812/namecore,domob1812/namecore,bitcoinknots/bitcoin,andreaskern/bitcoin,kallewoof/bitcoin,mm-s/bitcoin,namecoin/namecoin-core,ajtowns/bitcoin,bitcoin/bitcoin,namecoin/namecoin-core,ajtowns/bitcoin,MarcoFalke/bitcoin,bitcoinsSG/bitcoin,mruddy/bitcoin,anditto/bitcoin,mm-s/bitcoin,bitcoinsSG/bitcoin,prusnak/bitcoin,AkioNak/bitcoin,domob1812/namecore,jamesob/bitcoin,jambolo/bitcoin,bitcoinknots/bitcoin,GroestlCoin/GroestlCoin,fanquake/bitcoin,dscotese/bitcoin,jlopp/statoshi,prusnak/bitcoin,ajtowns/bitcoin,namecoin/namecoin-core,jamesob/bitcoin,sipsorcery/bitcoin,namecoin/namecore,particl/particl-core,kallewoof/bitcoin,pataquets/namecoin-core,mruddy/bitcoin,pataquets/namecoin-core,prusnak/bitcoin,tecnovert/particl-core,fanquake/bitcoin,pataquets/namecoin-core,bitcoinknots/bitcoin,tecnovert/particl-core,domob1812/bitcoin,AkioNak/bitcoin,mm-s/bitcoin,mm-s/bitcoin,mruddy/bitcoin,sipsorcery/bitcoin,domob1812/bitcoin,Xekyo/bitcoin,particl/particl-core,jlopp/statoshi,jamesob/bitcoin,GroestlCoin/GroestlCoin,GroestlCoin/bitcoin,jambolo/bitcoin,tecnovert/particl-core,instagibbs/bitcoin,anditto/bitcoin,sstone/bitcoin,MarcoFalke/bitcoin,bitcoin/bitcoin,bitcoinsSG/bitcoin,mruddy/bitcoin,jlopp/statoshi,AkioNak/bitcoin,domob1812/bitcoin,yenliangl/bitcoin,domob1812/namecore,dscotese/bitcoin,sstone/bitcoin,sipsorcery/bitcoin,namecoin/namecore,sstone/bitcoin,andreaskern/bitcoin,jambolo/bitcoin,bitcoin/bitcoin,yenliangl/bitcoin,tecnovert/particl-core,sipsorcery/bitcoin,lateminer/bitcoin,jlopp/statoshi,ajtowns/bitcoin,domob1812/bitcoin,bitcoinsSG/bitcoin,yenliangl/bitcoin,Xekyo/bitcoin,domob1812/bitcoin,MarcoFalke/bitcoin,namecoin/namecoin-core,prusnak/bitcoin,pataquets/namecoin-core,jamesob/bitcoin,namecoin/namecore,sstone/bitcoin,achow101/bitcoin,namecoin/namecore,GroestlCoin/bitcoin,anditto/bitcoin,GroestlCoin/bitcoin,sstone/bitcoin,bitcoinknots/bitcoin,mruddy/bitcoin,particl/particl-core,bitcoin/bitcoin,instagibbs/bitcoin,tecnovert/particl-core,fujicoin/fujicoin,GroestlCoin/GroestlCoin,fujicoin/fujicoin,ajtowns/bitcoin,fujicoin/fujicoin,achow101/bitcoin,instagibbs/bitcoin,namecoin/namecoin-core,achow101/bitcoin,lateminer/bitcoin,mm-s/bitcoin,andreaskern/bitcoin,dscotese/bitcoin,GroestlCoin/GroestlCoin,mm-s/bitcoin,bitcoin/bitcoin,achow101/bitcoin,fujicoin/fujicoin,jlopp/statoshi,AkioNak/bitcoin,AkioNak/bitcoin,yenliangl/bitcoin,MarcoFalke/bitcoin,domob1812/namecore,kallewoof/bitcoin,mruddy/bitcoin,Xekyo/bitcoin,fanquake/bitcoin,instagibbs/bitcoin,kallewoof/bitcoin,jamesob/bitcoin,kallewoof/bitcoin,GroestlCoin/bitcoin,domob1812/bitcoin,pataquets/namecoin-core,MarcoFalke/bitcoin,MarcoFalke/bitcoin,bitcoin/bitcoin,dscotese/bitcoin,jamesob/bitcoin,fujicoin/fujicoin,bitcoinsSG/bitcoin,pataquets/namecoin-core,GroestlCoin/bitcoin,andreaskern/bitcoin,dscotese/bitcoin,GroestlCoin/GroestlCoin,andreaskern/bitcoin,instagibbs/bitcoin,sipsorcery/bitcoin,particl/particl-core,bitcoinsSG/bitcoin,lateminer/bitcoin,lateminer/bitcoin,fujicoin/fujicoin,prusnak/bitcoin