Made relay-flag in VersionPayload accessable
Made relay-flag in VersionPayload accessable

you21979/NBitcoin,thepunctuatedhorizon/BrickCoinAlpha.0.0.1,lontivero/NBitcoin,MetacoSA/NBitcoin,bitcoinbrisbane/NBitcoin,NicolasDorier/NBitcoin,MetacoSA/NBitcoin,dangershony/NStratis,stratisproject/NStratis,HermanSchoenfeld/NBitcoin