Add getaddednodeinfo support to btcctl.
Add getaddednodeinfo support to btcctl.

hectorj/btcd,davecgh/btcd,sysbot/btcd,Dirbaio/btcd,DanielKrawisz/btcd,ltcsuite/ltcd,Stash-Crypto/btcd,qchain/btcd,decred/dcrd,ppcsuite/ppcd-old,Stash-Crypto/btcd,ltcsuite/ltcd,dajohi/btcd,pkothbauer/btcd,dan-da/btcd,soapboxsys/ombfullnode,BitGo/prova,jrick/btcd,ppcsuite/ppcd,Dirbaio/btcd,dajohi/btcd,tb00/btcd,glv2/ppcd,glv2/ppcd,jimmysong/btcd,hectorj/btcd,adiabat/btcd,toddfries/btcd,CryptocurrencyCabal/htcd,cjepson/btcd,ppcsuite/ppcd-old,pkothbauer/btcd,aakselrod/btcd,jongillham/btcd,sysbot/btcd,decred/dcrd,jimmysong/btcd,dan-da/btcd,1d4Nf6/btcd,cqswxj2013/btcd,Roasbeef/btcd,wallclockbuilder/btcd,Evil-Coin/Evil,btcsuite/btcd,aakselrod/btcd,adiabat/btcd,DanielKrawisz/btcd,davecgh/btcd,qchain/btcd,jrick/dcrd,mathiasrw/btcd,runeaune/btcd,btcsuitereleases/btcd,danoctavian/btcd,Roasbeef/btcd,Cleawing/btcd,danoctavian/btcd,jrick/dcrd,Cleawing/btcd,FactomProject/btcd,soapboxsys/ombfullnode,jcmincke/dcrd,Dirbaio/btcd,1d4Nf6/btcd,wallclockbuilder/btcd,cqswxj2013/btcd,jrick/btcd,btcsuite/btcd,runeaune/btcd,jcmincke/dcrd,stevenroose/btcd,jcmincke/dcrd,CryptocurrencyCabal/htcd,dajohi/btcd,btcsuitereleases/btcd,Evil-Coin/Evil,BitGo/prova,jongillham/btcd,stevenroose/btcd,toddfries/btcd,tb00/btcd,ppcsuite/ppcd,mathiasrw/btcd,FactomProject/btcd,cjepson/btcd,jrick/btcd