docs: Improve netbase comments
docs: Improve netbase comments

- Improve and add various Lookup* docs
- Improve InterruptibleRecv docs
- Improve Socks5 docs
- Add CreateSocket docs
- Add ConnectSocketDirectly docs
- Add SetNameProxy docs
- Add ConnectThroughProxy docs
- Add LookupSubNet docs

achow101/bitcoin,jambolo/bitcoin,domob1812/namecore,peercoin/peercoin,mruddy/bitcoin,yenliangl/bitcoin,rnicoll/bitcoin,pataquets/namecoin-core,achow101/bitcoin,pstratem/bitcoin,jlopp/statoshi,bitcoinsSG/bitcoin,nikkitan/bitcoin,namecoin/namecoin-core,monacoinproject/monacoin,ElementsProject/elements,GroestlCoin/bitcoin,EthanHeilman/bitcoin,fujicoin/fujicoin,sipsorcery/bitcoin,kallewoof/bitcoin,tecnovert/particl-core,tecnovert/particl-core,ajtowns/bitcoin,GroestlCoin/bitcoin,apoelstra/bitcoin,apoelstra/bitcoin,prusnak/bitcoin,DigitalPandacoin/pandacoin,sstone/bitcoin,rnicoll/dogecoin,alecalve/bitcoin,rnicoll/dogecoin,AkioNak/bitcoin,lateminer/bitcoin,practicalswift/bitcoin,peercoin/peercoin,Xekyo/bitcoin,MeshCollider/bitcoin,vertcoin/vertcoin,jamesob/bitcoin,domob1812/bitcoin,n1bor/bitcoin,JeremyRubin/bitcoin,yenliangl/bitcoin,gjhiggins/vcoincore,jamesob/bitcoin,jonasschnelli/bitcoin,practicalswift/bitcoin,bitcoin/bitcoin,mitchellcash/bitcoin,qtumproject/qtum,vertcoin/vertcoin,ahmedbodi/vertcoin,jambolo/bitcoin,lateminer/bitcoin,midnightmagic/bitcoin,sstone/bitcoin,EthanHeilman/bitcoin,Sjors/bitcoin,wellenreiter01/Feathercoin,pstratem/bitcoin,litecoin-project/litecoin,nikkitan/bitcoin,rnicoll/bitcoin,pataquets/namecoin-core,tecnovert/particl-core,pataquets/namecoin-core,anditto/bitcoin,particl/particl-core,sipsorcery/bitcoin,FeatherCoin/Feathercoin,DigitalPandacoin/pandacoin,CryptArc/bitcoin,namecoin/namecore,nikkitan/bitcoin,tjps/bitcoin,domob1812/namecore,qtumproject/qtum,jonasschnelli/bitcoin,jtimon/bitcoin,midnightmagic/bitcoin,qtumproject/qtum,achow101/bitcoin,mruddy/bitcoin,GroestlCoin/GroestlCoin,mm-s/bitcoin,qtumproject/qtum,instagibbs/bitcoin,fujicoin/fujicoin,jtimon/bitcoin,anditto/bitcoin,ElementsProject/elements,gjhiggins/vcoincore,jambolo/bitcoin,yenliangl/bitcoin,domob1812/bitcoin,EthanHeilman/bitcoin,jamesob/bitcoin,namecoin/namecoin-core,lateminer/bitcoin,Xekyo/bitcoin,kallewoof/bitcoin,domob1812/namecore,vertcoin/vertcoin,cdecker/bitcoin,CryptArc/bitcoin,instagibbs/bitcoin,prusnak/bitcoin,dscotese/bitcoin,FeatherCoin/Feathercoin,gjhiggins/vcoincore,nikkitan/bitcoin,instagibbs/bitcoin,jamesob/bitcoin,anditto/bitcoin,MeshCollider/bitcoin,JeremyRubin/bitcoin,qtumproject/qtum,prusnak/bitcoin,bitcoinsSG/bitcoin,GroestlCoin/GroestlCoin,wellenreiter01/Feathercoin,alecalve/bitcoin,mitchellcash/bitcoin,rnicoll/bitcoin,ajtowns/bitcoin,mruddy/bitcoin,jlopp/statoshi,dscotese/bitcoin,sstone/bitcoin,ElementsProject/elements,lateminer/bitcoin,particl/particl-core,pataquets/namecoin-core,bitcoin/bitcoin,n1bor/bitcoin,rnicoll/bitcoin,midnightmagic/bitcoin,nikkitan/bitcoin,kallewoof/bitcoin,MarcoFalke/bitcoin,mm-s/bitcoin,Sjors/bitcoin,wellenreiter01/Feathercoin,ElementsProject/elements,domob1812/bitcoin,GroestlCoin/GroestlCoin,monacoinproject/monacoin,instagibbs/bitcoin,mruddy/bitcoin,FeatherCoin/Feathercoin,jlopp/statoshi,bitcoinknots/bitcoin,GroestlCoin/bitcoin,tecnovert/particl-core,gjhiggins/vcoincore,pataquets/namecoin-core,wellenreiter01/Feathercoin,yenliangl/bitcoin,bitcoin/bitcoin,FeatherCoin/Feathercoin,bitcoinsSG/bitcoin,AkioNak/bitcoin,andreaskern/bitcoin,GroestlCoin/GroestlCoin,JeremyRubin/bitcoin,peercoin/peercoin,DigitalPandacoin/pandacoin,Xekyo/bitcoin,Sjors/bitcoin,prusnak/bitcoin,bitcoinknots/bitcoin,jonasschnelli/bitcoin,peercoin/peercoin,apoelstra/bitcoin,namecoin/namecoin-core,jtimon/bitcoin,ajtowns/bitcoin,namecoin/namecore,mitchellcash/bitcoin,AkioNak/bitcoin,MarcoFalke/bitcoin,GroestlCoin/GroestlCoin,MeshCollider/bitcoin,monacoinproject/monacoin,rnicoll/dogecoin,pstratem/bitcoin,sipsorcery/bitcoin,practicalswift/bitcoin,jamesob/bitcoin,litecoin-project/litecoin,domob1812/namecore,DigitalPandacoin/pandacoin,jlopp/statoshi,bitcoin/bitcoin,jambolo/bitcoin,fanquake/bitcoin,mm-s/bitcoin,domob1812/namecore,GroestlCoin/bitcoin,bitcoinknots/bitcoin,achow101/bitcoin,fanquake/bitcoin,pstratem/bitcoin,AkioNak/bitcoin,n1bor/bitcoin,mm-s/bitcoin,GroestlCoin/GroestlCoin,ElementsProject/elements,MarcoFalke/bitcoin,bitcoinsSG/bitcoin,domob1812/namecore,achow101/bitcoin,alecalve/bitcoin,CryptArc/bitcoin,namecoin/namecore,sstone/bitcoin,practicalswift/bitcoin,fujicoin/fujicoin,Sjors/bitcoin,MeshCollider/bitcoin,bitcoinknots/bitcoin,MarcoFalke/bitcoin,cdecker/bitcoin,andreaskern/bitcoin,namecoin/namecore,sstone/bitcoin,alecalve/bitcoin,EthanHeilman/bitcoin,dscotese/bitcoin,jlopp/statoshi,jtimon/bitcoin,rnicoll/dogecoin,mitchellcash/bitcoin,n1bor/bitcoin,mruddy/bitcoin,dscotese/bitcoin,cdecker/bitcoin,DigitalPandacoin/pandacoin,yenliangl/bitcoin,AkioNak/bitcoin,jamesob/bitcoin,litecoin-project/litecoin,fujicoin/fujicoin,rnicoll/dogecoin,ahmedbodi/vertcoin,instagibbs/bitcoin,jnewbery/bitcoin,anditto/bitcoin,achow101/bitcoin,midnightmagic/bitcoin,apoelstra/bitcoin,gjhiggins/vcoincore,fanquake/bitcoin,qtumproject/qtum,Sjors/bitcoin,qtumproject/qtum,wellenreiter01/Feathercoin,CryptArc/bitcoin,JeremyRubin/bitcoin,tjps/bitcoin,jnewbery/bitcoin,alecalve/bitcoin,fanquake/bitcoin,rnicoll/bitcoin,fujicoin/fujicoin,pstratem/bitcoin,jambolo/bitcoin,ElementsProject/elements,tjps/bitcoin,domob1812/bitcoin,midnightmagic/bitcoin,MarcoFalke/bitcoin,prusnak/bitcoin,ajtowns/bitcoin,particl/particl-core,bitcoin/bitcoin,Xekyo/bitcoin,ahmedbodi/vertcoin,domob1812/bitcoin,andreaskern/bitcoin,tjps/bitcoin,dscotese/bitcoin,tecnovert/particl-core,andreaskern/bitcoin,jonasschnelli/bitcoin,fanquake/bitcoin,namecoin/namecore,ahmedbodi/vertcoin,mitchellcash/bitcoin,jambolo/bitcoin,vertcoin/vertcoin,jnewbery/bitcoin,MeshCollider/bitcoin,practicalswift/bitcoin,monacoinproject/monacoin,bitcoin/bitcoin,jnewbery/bitcoin,peercoin/peercoin,ahmedbodi/vertcoin,fanquake/bitcoin,bitcoinknots/bitcoin,kallewoof/bitcoin,n1bor/bitcoin,monacoinproject/monacoin,anditto/bitcoin,jlopp/statoshi,kallewoof/bitcoin,rnicoll/bitcoin,DigitalPandacoin/pandacoin,particl/particl-core,kallewoof/bitcoin,domob1812/bitcoin,peercoin/peercoin,pstratem/bitcoin,instagibbs/bitcoin,prusnak/bitcoin,sipsorcery/bitcoin,ajtowns/bitcoin,CryptArc/bitcoin,namecoin/namecoin-core,sipsorcery/bitcoin,FeatherCoin/Feathercoin,cdecker/bitcoin,pataquets/namecoin-core,fujicoin/fujicoin,particl/particl-core,AkioNak/bitcoin,apoelstra/bitcoin,GroestlCoin/bitcoin,andreaskern/bitcoin,MeshCollider/bitcoin,namecoin/namecoin-core,sstone/bitcoin,vertcoin/vertcoin,Xekyo/bitcoin,yenliangl/bitcoin,ajtowns/bitcoin,namecoin/namecoin-core,EthanHeilman/bitcoin,lateminer/bitcoin,cdecker/bitcoin,bitcoinsSG/bitcoin,nikkitan/bitcoin,EthanHeilman/bitcoin,sipsorcery/bitcoin,n1bor/bitcoin,gjhiggins/vcoincore,midnightmagic/bitcoin,apoelstra/bitcoin,FeatherCoin/Feathercoin,lateminer/bitcoin,anditto/bitcoin,CryptArc/bitcoin,jonasschnelli/bitcoin,mitchellcash/bitcoin,litecoin-project/litecoin,tecnovert/particl-core,cdecker/bitcoin,bitcoinsSG/bitcoin,tjps/bitcoin,litecoin-project/litecoin,ahmedbodi/vertcoin,litecoin-project/litecoin,alecalve/bitcoin,mm-s/bitcoin,jtimon/bitcoin,practicalswift/bitcoin,tjps/bitcoin,MarcoFalke/bitcoin,JeremyRubin/bitcoin,dscotese/bitcoin,andreaskern/bitcoin,wellenreiter01/Feathercoin,GroestlCoin/bitcoin,mruddy/bitcoin,jtimon/bitcoin,monacoinproject/monacoin,jnewbery/bitcoin,vertcoin/vertcoin,Xekyo/bitcoin,mm-s/bitcoin,namecoin/namecore,particl/particl-core,JeremyRubin/bitcoin