doc: Document that GNU tools are required for linters
doc: Document that GNU tools are required for linters

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