Don't relay alerts to peers before version negotiation
Don't relay alerts to peers before version negotiation

Fixes #1436

elambert2014/cbx2,Whitecoin-org/Whitecoin,vectorcoindev/Vector,TheoremCrypto/TheoremCoin,AquariusNetwork/ARCO,vectorcoindev/Vector,vectorcoindev/Vector,landcoin-ldc/landcoin,iadix/iadixcoin,elambert2014/cbx2,dopecoin-dev/DopeCoinGold,vectorcoindev/Vector,prodigal-son/blackcoin,AquariusNetwork/ARCOv2,lateminer/DopeCoinGold,landcoin-ldc/landcoin,dopecoin-dev/DopeCoinGold,landcoin-ldc/landcoin,valorbit/valorbit,CoinBlack/blackcoin,CoinBlack/bitcoin,prodigal-son/blackcoin,VsyncCrypto/Vsync,valorbit/valorbit-oss,iadix/iadixcoin,greencoin-dev/GreenCoinV2,prodigal-son/blackcoin,iadix/iadixcoin,pinkmagicdev/SwagBucks,AquariusNetwork/ARCO,dopecoin-dev/DopeCoinGold,Whitecoin-org/Whitecoin,AquariusNetwork/ARCOv2,pinkmagicdev/SwagBucks,som4paul/BolieC,valorbit/valorbit,landcoin-ldc/landcoin,Whitecoin-org/Whitecoin,CoinBlack/bitcoin,rat4/blackcoin,TheoremCrypto/TheoremCoin,xranby/blackcoin,xranby/blackcoin,rat4/blackcoin,elambert2014/cbx2,rat4/blackcoin,xranby/blackcoin,elambert2014/cbx2,Whitecoin-org/Whitecoin,blackcoinhelp/blackcoin,AquariusNetwork/ARCOv2,greencoin-dev/GreenCoinV2,greencoin-dev/GreenCoinV2,CoinBlack/bitcoin,som4paul/BolieC,Whitecoin-org/Whitecoin,blackcoinhelp/blackcoin,TheoremCrypto/TheoremCoin,valorbit/valorbit,pinkmagicdev/SwagBucks,lateminer/DopeCoinGold,lateminer/DopeCoinGold,CoinBlack/blackcoin,ALEXIUMCOIN/alexium,valorbit/valorbit,CoinBlack/bitcoin,valorbit/valorbit,AquariusNetwork/ARCO,prodigal-son/blackcoin,CoinBlack/bitcoin,elambert2014/cbx2,som4paul/BolieC,iadix/iadixcoin,ALEXIUMCOIN/alexium,ALEXIUMCOIN/alexium,AquariusNetwork/ARCO,som4paul/BolieC,prodigal-son/blackcoin,iadix/iadixcoin,iadix/iadixcoin,som4paul/BolieC,iadix/iadixcoin,lateminer/DopeCoinGold,blackcoinhelp/blackcoin,TheoremCrypto/TheoremCoin,LanaCoin/lanacoin,valorbit/valorbit-oss,ALEXIUMCOIN/alexium,LanaCoin/lanacoin,rat4/blackcoin,xranby/blackcoin,landcoin-ldc/landcoin,blackcoinhelp/blackcoin,ALEXIUMCOIN/alexium,VsyncCrypto/Vsync,valorbit/valorbit-oss,CoinBlack/bitcoin,LanaCoin/lanacoin,pinkmagicdev/SwagBucks,rat4/blackcoin,iadix/iadixcoin,LanaCoin/lanacoin,vectorcoindev/Vector,LanaCoin/lanacoin,dopecoin-dev/DopeCoinGold,CoinBlack/blackcoin,VsyncCrypto/Vsync,dopecoin-dev/DopeCoinGold,greencoin-dev/GreenCoinV2,iadix/iadixcoin,CoinBlack/blackcoin,AquariusNetwork/ARCO,VsyncCrypto/Vsync,valorbit/valorbit-oss,iadix/iadixcoin,AquariusNetwork/ARCOv2,greencoin-dev/GreenCoinV2,lateminer/DopeCoinGold,iadix/iadixcoin,TheoremCrypto/TheoremCoin,VsyncCrypto/Vsync,blackcoinhelp/blackcoin,CoinBlack/blackcoin,valorbit/valorbit-oss,AquariusNetwork/ARCOv2,pinkmagicdev/SwagBucks