[net processing] PushNodeVersion() takes a const Peer&
[net processing] PushNodeVersion() takes a const Peer&

The peer object is not mutated by PushNodeVersion, so pass a const reference

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