netinfo: add user help documentation
netinfo: add user help documentation

and drop no longer needed sort description header to save screen space

dscotese/bitcoin,namecoin/namecore,mruddy/bitcoin,sstone/bitcoin,practicalswift/bitcoin,practicalswift/bitcoin,ElementsProject/elements,GroestlCoin/GroestlCoin,tecnovert/particl-core,AkioNak/bitcoin,particl/particl-core,qtumproject/qtum,instagibbs/bitcoin,prusnak/bitcoin,GroestlCoin/bitcoin,instagibbs/bitcoin,anditto/bitcoin,mm-s/bitcoin,lateminer/bitcoin,particl/particl-core,GroestlCoin/GroestlCoin,apoelstra/bitcoin,fanquake/bitcoin,EthanHeilman/bitcoin,jamesob/bitcoin,GroestlCoin/bitcoin,GroestlCoin/GroestlCoin,Sjors/bitcoin,jlopp/statoshi,ElementsProject/elements,domob1812/namecore,fujicoin/fujicoin,particl/particl-core,domob1812/namecore,apoelstra/bitcoin,apoelstra/bitcoin,qtumproject/qtum,lateminer/bitcoin,jnewbery/bitcoin,cdecker/bitcoin,jambolo/bitcoin,domob1812/bitcoin,mm-s/bitcoin,tecnovert/particl-core,fanquake/bitcoin,rnicoll/bitcoin,cdecker/bitcoin,bitcoin/bitcoin,sstone/bitcoin,JeremyRubin/bitcoin,particl/particl-core,EthanHeilman/bitcoin,jambolo/bitcoin,prusnak/bitcoin,cdecker/bitcoin,jambolo/bitcoin,bitcoin/bitcoin,sipsorcery/bitcoin,anditto/bitcoin,namecoin/namecoin-core,tecnovert/particl-core,Xekyo/bitcoin,bitcoinknots/bitcoin,fanquake/bitcoin,domob1812/namecore,ajtowns/bitcoin,cdecker/bitcoin,jamesob/bitcoin,AkioNak/bitcoin,andreaskern/bitcoin,pataquets/namecoin-core,sipsorcery/bitcoin,lateminer/bitcoin,fanquake/bitcoin,particl/particl-core,fanquake/bitcoin,namecoin/namecore,Xekyo/bitcoin,MarcoFalke/bitcoin,MarcoFalke/bitcoin,domob1812/bitcoin,yenliangl/bitcoin,AkioNak/bitcoin,qtumproject/qtum,jnewbery/bitcoin,AkioNak/bitcoin,n1bor/bitcoin,bitcoinsSG/bitcoin,MarcoFalke/bitcoin,sstone/bitcoin,pataquets/namecoin-core,sstone/bitcoin,jlopp/statoshi,andreaskern/bitcoin,andreaskern/bitcoin,bitcoinsSG/bitcoin,GroestlCoin/GroestlCoin,ElementsProject/elements,Xekyo/bitcoin,namecoin/namecoin-core,domob1812/bitcoin,n1bor/bitcoin,yenliangl/bitcoin,apoelstra/bitcoin,pstratem/bitcoin,dscotese/bitcoin,achow101/bitcoin,jamesob/bitcoin,rnicoll/bitcoin,Sjors/bitcoin,EthanHeilman/bitcoin,prusnak/bitcoin,yenliangl/bitcoin,kallewoof/bitcoin,particl/particl-core,jlopp/statoshi,pstratem/bitcoin,MarcoFalke/bitcoin,dscotese/bitcoin,andreaskern/bitcoin,MeshCollider/bitcoin,qtumproject/qtum,lateminer/bitcoin,namecoin/namecoin-core,MeshCollider/bitcoin,apoelstra/bitcoin,bitcoin/bitcoin,dscotese/bitcoin,sstone/bitcoin,jamesob/bitcoin,bitcoinknots/bitcoin,GroestlCoin/GroestlCoin,JeremyRubin/bitcoin,jlopp/statoshi,MeshCollider/bitcoin,Sjors/bitcoin,jamesob/bitcoin,MeshCollider/bitcoin,EthanHeilman/bitcoin,jambolo/bitcoin,bitcoinsSG/bitcoin,qtumproject/qtum,andreaskern/bitcoin,namecoin/namecoin-core,fujicoin/fujicoin,mruddy/bitcoin,dscotese/bitcoin,sipsorcery/bitcoin,cdecker/bitcoin,tecnovert/particl-core,jnewbery/bitcoin,bitcoin/bitcoin,GroestlCoin/bitcoin,anditto/bitcoin,JeremyRubin/bitcoin,MarcoFalke/bitcoin,ajtowns/bitcoin,fujicoin/fujicoin,mm-s/bitcoin,achow101/bitcoin,yenliangl/bitcoin,GroestlCoin/bitcoin,pstratem/bitcoin,jambolo/bitcoin,pataquets/namecoin-core,pataquets/namecoin-core,Sjors/bitcoin,ElementsProject/elements,prusnak/bitcoin,Xekyo/bitcoin,prusnak/bitcoin,AkioNak/bitcoin,pataquets/namecoin-core,n1bor/bitcoin,rnicoll/bitcoin,EthanHeilman/bitcoin,jamesob/bitcoin,domob1812/bitcoin,kallewoof/bitcoin,namecoin/namecore,Xekyo/bitcoin,bitcoin/bitcoin,sipsorcery/bitcoin,jambolo/bitcoin,domob1812/namecore,instagibbs/bitcoin,mruddy/bitcoin,fanquake/bitcoin,rnicoll/bitcoin,Sjors/bitcoin,tecnovert/particl-core,bitcoinknots/bitcoin,bitcoin/bitcoin,andreaskern/bitcoin,bitcoinsSG/bitcoin,cdecker/bitcoin,kallewoof/bitcoin,bitcoinknots/bitcoin,MeshCollider/bitcoin,pstratem/bitcoin,practicalswift/bitcoin,qtumproject/qtum,mruddy/bitcoin,sipsorcery/bitcoin,prusnak/bitcoin,rnicoll/bitcoin,apoelstra/bitcoin,anditto/bitcoin,GroestlCoin/GroestlCoin,achow101/bitcoin,kallewoof/bitcoin,fujicoin/fujicoin,mm-s/bitcoin,kallewoof/bitcoin,MarcoFalke/bitcoin,ajtowns/bitcoin,bitcoinknots/bitcoin,instagibbs/bitcoin,jlopp/statoshi,lateminer/bitcoin,MeshCollider/bitcoin,practicalswift/bitcoin,domob1812/bitcoin,domob1812/namecore,instagibbs/bitcoin,GroestlCoin/bitcoin,pstratem/bitcoin,n1bor/bitcoin,namecoin/namecoin-core,GroestlCoin/bitcoin,bitcoinsSG/bitcoin,lateminer/bitcoin,sipsorcery/bitcoin,achow101/bitcoin,rnicoll/bitcoin,pataquets/namecoin-core,mm-s/bitcoin,namecoin/namecoin-core,mm-s/bitcoin,jnewbery/bitcoin,practicalswift/bitcoin,n1bor/bitcoin,Xekyo/bitcoin,JeremyRubin/bitcoin,jlopp/statoshi,yenliangl/bitcoin,tecnovert/particl-core,mruddy/bitcoin,kallewoof/bitcoin,AkioNak/bitcoin,domob1812/bitcoin,fujicoin/fujicoin,namecoin/namecore,ElementsProject/elements,EthanHeilman/bitcoin,namecoin/namecore,achow101/bitcoin,ElementsProject/elements,JeremyRubin/bitcoin,mruddy/bitcoin,anditto/bitcoin,practicalswift/bitcoin,yenliangl/bitcoin,bitcoinsSG/bitcoin,anditto/bitcoin,qtumproject/qtum,achow101/bitcoin,dscotese/bitcoin,sstone/bitcoin,JeremyRubin/bitcoin,instagibbs/bitcoin,namecoin/namecore,n1bor/bitcoin,ajtowns/bitcoin,fujicoin/fujicoin,ajtowns/bitcoin,ajtowns/bitcoin,domob1812/namecore,pstratem/bitcoin,jnewbery/bitcoin