Log when an import is being skipped because we already have it
Log when an import is being skipped because we already have it

Behavior Changes:
* Those pubkeys being imported with add_keypool set and are already in the wallet will no longer be added to the keypool

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