[docs] Clarify -walletdir usage
[docs] Clarify -walletdir usage

MarcoFalke/bitcoin,monacoinproject/monacoin,AkioNak/bitcoin,dscotese/bitcoin,Bushstar/UFO-Project,ppcoin/ppcoin,globaltoken/globaltoken,Xekyo/bitcoin,deeponion/deeponion,achow101/bitcoin,r8921039/bitcoin,MazaCoin/maza,CryptArc/bitcoin,gjhiggins/vcoincore,globaltoken/globaltoken,kazcw/bitcoin,sstone/bitcoin,DigitalPandacoin/pandacoin,lateminer/bitcoin,MarcoFalke/bitcoin,droark/bitcoin,practicalswift/bitcoin,bitcoinsSG/bitcoin,deeponion/deeponion,CryptArc/bitcoin,mm-s/bitcoin,MeshCollider/bitcoin,sebrandon1/bitcoin,vmp32k/litecoin,midnightmagic/bitcoin,Bushstar/UFO-Project,fujicoin/fujicoin,mitchellcash/bitcoin,yenliangl/bitcoin,MarcoFalke/bitcoin,qtumproject/qtum,mm-s/bitcoin,ElementsProject/elements,GlobalBoost/GlobalBoost,mm-s/bitcoin,anditto/bitcoin,RHavar/bitcoin,tjps/bitcoin,starwels/starwels,Bushstar/UFO-Project,TheBlueMatt/bitcoin,cdecker/bitcoin,thrasher-/litecoin,JeremyRubin/bitcoin,MazaCoin/maza,rnicoll/dogecoin,ahmedbodi/vertcoin,kazcw/bitcoin,jamesob/bitcoin,fanquake/bitcoin,ElementsProject/elements,donaloconnor/bitcoin,ahmedbodi/vertcoin,GroestlCoin/bitcoin,namecoin/namecoin-core,GroestlCoin/GroestlCoin,Kogser/bitcoin,r8921039/bitcoin,ryanofsky/bitcoin,dscotese/bitcoin,1185/starwels,1185/starwels,Kogser/bitcoin,lateminer/bitcoin,MazaCoin/maza,rawodb/bitcoin,donaloconnor/bitcoin,donaloconnor/bitcoin,peercoin/peercoin,sipsorcery/bitcoin,thrasher-/litecoin,MeshCollider/bitcoin,untrustbank/litecoin,monacoinproject/monacoin,1185/starwels,practicalswift/bitcoin,EthanHeilman/bitcoin,jmcorgan/bitcoin,bespike/litecoin,rnicoll/bitcoin,bitcoinknots/bitcoin,OmniLayer/omnicore,litecoin-project/litecoin,FeatherCoin/Feathercoin,ericshawlinux/bitcoin,jtimon/bitcoin,vertcoin/vertcoin,Flowdalic/bitcoin,EthanHeilman/bitcoin,bitcoin/bitcoin,GroestlCoin/bitcoin,jmcorgan/bitcoin,jambolo/bitcoin,guncoin/guncoin,ryanofsky/bitcoin,digibyte/digibyte,thrasher-/litecoin,kazcw/bitcoin,ppcoin/ppcoin,droark/bitcoin,MeshCollider/bitcoin,bitcoinknots/bitcoin,vertcoin/vertcoin,myriadcoin/myriadcoin,jnewbery/bitcoin,domob1812/bitcoin,peercoin/peercoin,h4x3rotab/BTCGPU,starwels/starwels,randy-waterhouse/bitcoin,stamhe/bitcoin,monacoinproject/monacoin,tecnovert/particl-core,monacoinproject/monacoin,ElementsProject/elements,thrasher-/litecoin,nikkitan/bitcoin,vmp32k/litecoin,bitcoinknots/bitcoin,rawodb/bitcoin,FeatherCoin/Feathercoin,cdecker/bitcoin,GroestlCoin/GroestlCoin,Sjors/bitcoin,CryptArc/bitcoin,bitcoin/bitcoin,jambolo/bitcoin,Kogser/bitcoin,domob1812/huntercore,pataquets/namecoin-core,TheBlueMatt/bitcoin,pstratem/bitcoin,Bushstar/UFO-Project,prusnak/bitcoin,tjps/bitcoin,tecnovert/particl-core,wellenreiter01/Feathercoin,starwels/starwels,jmcorgan/bitcoin,practicalswift/bitcoin,paveljanik/bitcoin,Flowdalic/bitcoin,andreaskern/bitcoin,mruddy/bitcoin,tecnovert/particl-core,vertcoin/vertcoin,jamesob/bitcoin,tjps/bitcoin,ppcoin/ppcoin,joshrabinowitz/bitcoin,gjhiggins/vcoincore,prusnak/bitcoin,namecoin/namecore,domob1812/namecore,myriadcoin/myriadcoin,digibyte/digibyte,cdecker/bitcoin,droark/bitcoin,stamhe/bitcoin,FeatherCoin/Feathercoin,thrasher-/litecoin,apoelstra/bitcoin,jtimon/bitcoin,1185/starwels,ajtowns/bitcoin,bitcoin/bitcoin,JeremyRubin/bitcoin,deeponion/deeponion,practicalswift/bitcoin,ericshawlinux/bitcoin,pataquets/namecoin-core,jambolo/bitcoin,paveljanik/bitcoin,instagibbs/bitcoin,randy-waterhouse/bitcoin,lbryio/lbrycrd,deeponion/deeponion,fujicoin/fujicoin,Sjors/bitcoin,jnewbery/bitcoin,litecoin-project/litecoin,Sjors/bitcoin,EthanHeilman/bitcoin,prusnak/bitcoin,viacoin/viacoin,n1bor/bitcoin,mm-s/bitcoin,droark/bitcoin,MarcoFalke/bitcoin,h4x3rotab/BTCGPU,digibyte/digibyte,sebrandon1/bitcoin,andreaskern/bitcoin,bespike/litecoin,afk11/bitcoin,litecoin-project/litecoin,jambolo/bitcoin,jtimon/bitcoin,myriadcoin/myriadcoin,DigitalPandacoin/pandacoin,JeremyRubin/bitcoin,peercoin/peercoin,bitcoin/bitcoin,paveljanik/bitcoin,sipsorcery/bitcoin,TheBlueMatt/bitcoin,GlobalBoost/GlobalBoost,monacoinproject/monacoin,Christewart/bitcoin,1185/starwels,rawodb/bitcoin,domob1812/namecore,andreaskern/bitcoin,TheBlueMatt/bitcoin,namecoin/namecore,OmniLayer/omnicore,ericshawlinux/bitcoin,vertcoin/vertcoin,jamesob/bitcoin,BTCGPU/BTCGPU,dscotese/bitcoin,namecoin/namecoin-core,vmp32k/litecoin,ahmedbodi/vertcoin,ElementsProject/elements,kallewoof/bitcoin,ppcoin/ppcoin,ryanofsky/bitcoin,dscotese/bitcoin,gjhiggins/vcoincore,mm-s/bitcoin,deeponion/deeponion,sstone/bitcoin,ElementsProject/elements,wellenreiter01/Feathercoin,litecoin-project/litecoin,GlobalBoost/GlobalBoost,mruddy/bitcoin,nikkitan/bitcoin,GroestlCoin/bitcoin,myriadcoin/myriadcoin,prusnak/bitcoin,domob1812/huntercore,achow101/bitcoin,instagibbs/bitcoin,myriadteam/myriadcoin,GlobalBoost/GlobalBoost,donaloconnor/bitcoin,mb300sd/bitcoin,GroestlCoin/bitcoin,joshrabinowitz/bitcoin,kallewoof/bitcoin,apoelstra/bitcoin,fanquake/bitcoin,DigitalPandacoin/pandacoin,sstone/bitcoin,domob1812/namecore,domob1812/huntercore,particl/particl-core,wellenreiter01/Feathercoin,domob1812/huntercore,qtumproject/qtum,MeshCollider/bitcoin,achow101/bitcoin,GlobalBoost/GlobalBoost,qtumproject/qtum,domob1812/bitcoin,OmniLayer/omnicore,particl/particl-core,n1bor/bitcoin,joshrabinowitz/bitcoin,guncoin/guncoin,1185/starwels,JeremyRubin/bitcoin,lateminer/bitcoin,DigitalPandacoin/pandacoin,Christewart/bitcoin,mb300sd/bitcoin,viacoin/viacoin,jmcorgan/bitcoin,lateminer/bitcoin,RHavar/bitcoin,afk11/bitcoin,rnicoll/bitcoin,guncoin/guncoin,Kogser/bitcoin,untrustbank/litecoin,MazaCoin/maza,practicalswift/bitcoin,untrustbank/litecoin,alecalve/bitcoin,h4x3rotab/BTCGPU,GroestlCoin/GroestlCoin,Christewart/bitcoin,bitcoin/bitcoin,mitchellcash/bitcoin,myriadteam/myriadcoin,afk11/bitcoin,randy-waterhouse/bitcoin,mitchellcash/bitcoin,sstone/bitcoin,Sjors/bitcoin,EthanHeilman/bitcoin,pataquets/namecoin-core,DigitalPandacoin/pandacoin,mruddy/bitcoin,MarcoFalke/bitcoin,lbryio/lbrycrd,GroestlCoin/GroestlCoin,stamhe/bitcoin,JeremyRubin/bitcoin,jlopp/statoshi,bespike/litecoin,Flowdalic/bitcoin,ryanofsky/bitcoin,RHavar/bitcoin,untrustbank/litecoin,myriadteam/myriadcoin,fanquake/bitcoin,mitchellcash/bitcoin,Xekyo/bitcoin,n1bor/bitcoin,jambolo/bitcoin,rawodb/bitcoin,mb300sd/bitcoin,FeatherCoin/Feathercoin,h4x3rotab/BTCGPU,myriadteam/myriadcoin,jamesob/bitcoin,GroestlCoin/bitcoin,ahmedbodi/vertcoin,sebrandon1/bitcoin,yenliangl/bitcoin,EthanHeilman/bitcoin,mb300sd/bitcoin,kallewoof/bitcoin,randy-waterhouse/bitcoin,jmcorgan/bitcoin,EthanHeilman/bitcoin,anditto/bitcoin,GroestlCoin/GroestlCoin,BTCGPU/BTCGPU,sstone/bitcoin,jtimon/bitcoin,jmcorgan/bitcoin,Flowdalic/bitcoin,pstratem/bitcoin,domob1812/namecore,thrasher-/litecoin,fujicoin/fujicoin,peercoin/peercoin,pstratem/bitcoin,pataquets/namecoin-core,qtumproject/qtum,Kogser/bitcoin,rnicoll/dogecoin,domob1812/namecore,anditto/bitcoin,DigitalPandacoin/pandacoin,wellenreiter01/Feathercoin,donaloconnor/bitcoin,ahmedbodi/vertcoin,apoelstra/bitcoin,AkioNak/bitcoin,domob1812/namecore,ericshawlinux/bitcoin,jnewbery/bitcoin,myriadteam/myriadcoin,Kogser/bitcoin,lbryio/lbrycrd,FeatherCoin/Feathercoin,paveljanik/bitcoin,Xekyo/bitcoin,namecoin/namecoin-core,domob1812/bitcoin,yenliangl/bitcoin,particl/particl-core,gjhiggins/vcoincore,vmp32k/litecoin,cdecker/bitcoin,particl/particl-core,vmp32k/litecoin,midnightmagic/bitcoin,namecoin/namecoin-core,fujicoin/fujicoin,tecnovert/particl-core,globaltoken/globaltoken,bespike/litecoin,mitchellcash/bitcoin,jonasschnelli/bitcoin,vmp32k/litecoin,Xekyo/bitcoin,rnicoll/dogecoin,gjhiggins/vcoincore,peercoin/peercoin,CryptArc/bitcoin,ajtowns/bitcoin,namecoin/namecore,pataquets/namecoin-core,FeatherCoin/Feathercoin,ajtowns/bitcoin,lateminer/bitcoin,starwels/starwels,instagibbs/bitcoin,MarcoFalke/bitcoin,paveljanik/bitcoin,jonasschnelli/bitcoin,anditto/bitcoin,sebrandon1/bitcoin,myriadcoin/myriadcoin,fujicoin/fujicoin,starwels/starwels,stamhe/bitcoin,vertcoin/vertcoin,lateminer/bitcoin,mm-s/bitcoin,donaloconnor/bitcoin,globaltoken/globaltoken,lbryio/lbrycrd,jambolo/bitcoin,domob1812/bitcoin,ajtowns/bitcoin,Christewart/bitcoin,andreaskern/bitcoin,ajtowns/bitcoin,droark/bitcoin,sipsorcery/bitcoin,tjps/bitcoin,andreaskern/bitcoin,fujicoin/fujicoin,ElementsProject/elements,deeponion/deeponion,n1bor/bitcoin,nikkitan/bitcoin,jlopp/statoshi,fanquake/bitcoin,afk11/bitcoin,particl/particl-core,rnicoll/bitcoin,bitcoinknots/bitcoin,namecoin/namecore,r8921039/bitcoin,nikkitan/bitcoin,joshrabinowitz/bitcoin,viacoin/viacoin,sipsorcery/bitcoin,dscotese/bitcoin,BTCGPU/BTCGPU,randy-waterhouse/bitcoin,jnewbery/bitcoin,kazcw/bitcoin,untrustbank/litecoin,Christewart/bitcoin,rnicoll/bitcoin,domob1812/huntercore,digibyte/digibyte,litecoin-project/litecoin,wellenreiter01/Feathercoin,gjhiggins/vcoincore,stamhe/bitcoin,tecnovert/particl-core,qtumproject/qtum,GroestlCoin/GroestlCoin,rawodb/bitcoin,jnewbery/bitcoin,rnicoll/bitcoin,anditto/bitcoin,cdecker/bitcoin,RHavar/bitcoin,fanquake/bitcoin,dscotese/bitcoin,bitcoinsSG/bitcoin,Bushstar/UFO-Project,AkioNak/bitcoin,Flowdalic/bitcoin,Xekyo/bitcoin,pstratem/bitcoin,alecalve/bitcoin,monacoinproject/monacoin,sipsorcery/bitcoin,rawodb/bitcoin,BTCGPU/BTCGPU,kazcw/bitcoin,AkioNak/bitcoin,jlopp/statoshi,jlopp/statoshi,Kogser/bitcoin,rnicoll/bitcoin,pataquets/namecoin-core,AkioNak/bitcoin,viacoin/viacoin,bitcoinknots/bitcoin,achow101/bitcoin,Christewart/bitcoin,TheBlueMatt/bitcoin,OmniLayer/omnicore,OmniLayer/omnicore,untrustbank/litecoin,achow101/bitcoin,jonasschnelli/bitcoin,namecoin/namecoin-core,midnightmagic/bitcoin,domob1812/bitcoin,Kogser/bitcoin,OmniLayer/omnicore,peercoin/peercoin,h4x3rotab/BTCGPU,prusnak/bitcoin,n1bor/bitcoin,yenliangl/bitcoin,alecalve/bitcoin,CryptArc/bitcoin,Bushstar/UFO-Project,tjps/bitcoin,cdecker/bitcoin,bespike/litecoin,CryptArc/bitcoin,guncoin/guncoin,pstratem/bitcoin,GroestlCoin/bitcoin,MeshCollider/bitcoin,myriadteam/myriadcoin,ericshawlinux/bitcoin,jonasschnelli/bitcoin,nikkitan/bitcoin,Kogser/bitcoin,Kogser/bitcoin,alecalve/bitcoin,jlopp/statoshi,ahmedbodi/vertcoin,MazaCoin/maza,guncoin/guncoin,qtumproject/qtum,BTCGPU/BTCGPU,vertcoin/vertcoin,bespike/litecoin,joshrabinowitz/bitcoin,jamesob/bitcoin,viacoin/viacoin,apoelstra/bitcoin,sebrandon1/bitcoin,RHavar/bitcoin,BTCGPU/BTCGPU,rnicoll/dogecoin,AkioNak/bitcoin,sipsorcery/bitcoin,randy-waterhouse/bitcoin,ryanofsky/bitcoin,bitcoin/bitcoin,bitcoinsSG/bitcoin,digibyte/digibyte,kazcw/bitcoin,joshrabinowitz/bitcoin,jlopp/statoshi,Xekyo/bitcoin,mruddy/bitcoin,afk11/bitcoin,litecoin-project/litecoin,midnightmagic/bitcoin,domob1812/huntercore,droark/bitcoin,instagibbs/bitcoin,lbryio/lbrycrd,stamhe/bitcoin,wellenreiter01/Feathercoin,kallewoof/bitcoin,namecoin/namecoin-core,viacoin/viacoin,jtimon/bitcoin,kallewoof/bitcoin,bitcoinsSG/bitcoin,Kogser/bitcoin,yenliangl/bitcoin,MeshCollider/bitcoin,paveljanik/bitcoin,bitcoinsSG/bitcoin,JeremyRubin/bitcoin,globaltoken/globaltoken,r8921039/bitcoin,namecoin/namecore,nikkitan/bitcoin,lbryio/lbrycrd,Sjors/bitcoin,mb300sd/bitcoin,ryanofsky/bitcoin,sstone/bitcoin,instagibbs/bitcoin,ericshawlinux/bitcoin,tecnovert/particl-core,apoelstra/bitcoin,GlobalBoost/GlobalBoost,tjps/bitcoin,TheBlueMatt/bitcoin,kallewoof/bitcoin,pstratem/bitcoin,fanquake/bitcoin,alecalve/bitcoin,RHavar/bitcoin,mruddy/bitcoin,alecalve/bitcoin,afk11/bitcoin,qtumproject/qtum,instagibbs/bitcoin,GlobalBoost/GlobalBoost,prusnak/bitcoin,practicalswift/bitcoin,myriadcoin/myriadcoin,midnightmagic/bitcoin,mb300sd/bitcoin,domob1812/bitcoin,jonasschnelli/bitcoin,bitcoinsSG/bitcoin,anditto/bitcoin,MazaCoin/maza,h4x3rotab/BTCGPU,namecoin/namecore,andreaskern/bitcoin,mruddy/bitcoin,particl/particl-core,ajtowns/bitcoin,Kogser/bitcoin,midnightmagic/bitcoin,sebrandon1/bitcoin,Flowdalic/bitcoin,yenliangl/bitcoin,lbryio/lbrycrd,r8921039/bitcoin,guncoin/guncoin,digibyte/digibyte,rnicoll/dogecoin,achow101/bitcoin,r8921039/bitcoin,globaltoken/globaltoken,jamesob/bitcoin,mitchellcash/bitcoin,apoelstra/bitcoin,jtimon/bitcoin,n1bor/bitcoin,starwels/starwels