doc: Shorten explanation of "maintainers"
doc: Shorten explanation of "maintainers"

namecoin/namecoin-core,bitcoin/bitcoin,namecoin/namecore,tecnovert/particl-core,jamesob/bitcoin,fanquake/bitcoin,GroestlCoin/GroestlCoin,bitcoinsSG/bitcoin,mruddy/bitcoin,GroestlCoin/bitcoin,instagibbs/bitcoin,domob1812/bitcoin,sstone/bitcoin,domob1812/bitcoin,Xekyo/bitcoin,GroestlCoin/GroestlCoin,mruddy/bitcoin,AkioNak/bitcoin,instagibbs/bitcoin,jlopp/statoshi,domob1812/bitcoin,bitcoinsSG/bitcoin,jlopp/statoshi,particl/particl-core,lateminer/bitcoin,jamesob/bitcoin,ajtowns/bitcoin,jambolo/bitcoin,andreaskern/bitcoin,mruddy/bitcoin,namecoin/namecore,kallewoof/bitcoin,andreaskern/bitcoin,sstone/bitcoin,domob1812/bitcoin,bitcoin/bitcoin,tecnovert/particl-core,bitcoinsSG/bitcoin,bitcoinsSG/bitcoin,fanquake/bitcoin,AkioNak/bitcoin,kallewoof/bitcoin,andreaskern/bitcoin,sipsorcery/bitcoin,tecnovert/particl-core,AkioNak/bitcoin,particl/particl-core,jamesob/bitcoin,instagibbs/bitcoin,particl/particl-core,instagibbs/bitcoin,jambolo/bitcoin,lateminer/bitcoin,anditto/bitcoin,lateminer/bitcoin,GroestlCoin/bitcoin,GroestlCoin/GroestlCoin,jlopp/statoshi,namecoin/namecore,anditto/bitcoin,fanquake/bitcoin,bitcoin/bitcoin,sstone/bitcoin,namecoin/namecoin-core,anditto/bitcoin,domob1812/bitcoin,AkioNak/bitcoin,GroestlCoin/GroestlCoin,jlopp/statoshi,sipsorcery/bitcoin,sstone/bitcoin,bitcoin/bitcoin,Xekyo/bitcoin,kallewoof/bitcoin,sstone/bitcoin,Xekyo/bitcoin,ajtowns/bitcoin,anditto/bitcoin,jambolo/bitcoin,GroestlCoin/bitcoin,anditto/bitcoin,Xekyo/bitcoin,lateminer/bitcoin,bitcoin/bitcoin,bitcoin/bitcoin,jamesob/bitcoin,namecoin/namecore,kallewoof/bitcoin,particl/particl-core,ajtowns/bitcoin,sstone/bitcoin,fujicoin/fujicoin,jlopp/statoshi,kallewoof/bitcoin,sipsorcery/bitcoin,namecoin/namecore,particl/particl-core,Xekyo/bitcoin,namecoin/namecoin-core,andreaskern/bitcoin,Xekyo/bitcoin,instagibbs/bitcoin,sipsorcery/bitcoin,namecoin/namecoin-core,sipsorcery/bitcoin,tecnovert/particl-core,fujicoin/fujicoin,AkioNak/bitcoin,tecnovert/particl-core,namecoin/namecore,fujicoin/fujicoin,tecnovert/particl-core,andreaskern/bitcoin,ajtowns/bitcoin,mruddy/bitcoin,namecoin/namecoin-core,lateminer/bitcoin,fujicoin/fujicoin,fujicoin/fujicoin,ajtowns/bitcoin,bitcoinsSG/bitcoin,fujicoin/fujicoin,ajtowns/bitcoin,domob1812/bitcoin,anditto/bitcoin,namecoin/namecoin-core,andreaskern/bitcoin,mruddy/bitcoin,lateminer/bitcoin,bitcoinsSG/bitcoin,GroestlCoin/GroestlCoin,instagibbs/bitcoin,fanquake/bitcoin,jlopp/statoshi,fanquake/bitcoin,jamesob/bitcoin,sipsorcery/bitcoin,kallewoof/bitcoin,jambolo/bitcoin,jamesob/bitcoin,GroestlCoin/bitcoin,particl/particl-core,mruddy/bitcoin,GroestlCoin/bitcoin,GroestlCoin/bitcoin,fanquake/bitcoin,GroestlCoin/GroestlCoin,jambolo/bitcoin,AkioNak/bitcoin,jambolo/bitcoin