add ci/scratch dir to gitignore
add ci/scratch dir to gitignore

GroestlCoin/bitcoin,ajtowns/bitcoin,achow101/bitcoin,achow101/bitcoin,GroestlCoin/bitcoin,namecoin/namecore,particl/particl-core,anditto/bitcoin,jamesob/bitcoin,instagibbs/bitcoin,fujicoin/fujicoin,domob1812/bitcoin,sipsorcery/bitcoin,namecoin/namecore,ajtowns/bitcoin,AkioNak/bitcoin,mruddy/bitcoin,dscotese/bitcoin,Xekyo/bitcoin,jlopp/statoshi,ajtowns/bitcoin,GroestlCoin/bitcoin,fanquake/bitcoin,bitcoinsSG/bitcoin,dscotese/bitcoin,jambolo/bitcoin,sstone/bitcoin,sstone/bitcoin,tecnovert/particl-core,dscotese/bitcoin,bitcoin/bitcoin,AkioNak/bitcoin,ajtowns/bitcoin,GroestlCoin/bitcoin,Xekyo/bitcoin,mruddy/bitcoin,instagibbs/bitcoin,achow101/bitcoin,sipsorcery/bitcoin,kallewoof/bitcoin,bitcoinsSG/bitcoin,bitcoin/bitcoin,GroestlCoin/GroestlCoin,sstone/bitcoin,jlopp/statoshi,dscotese/bitcoin,Xekyo/bitcoin,jambolo/bitcoin,fujicoin/fujicoin,jamesob/bitcoin,anditto/bitcoin,bitcoinsSG/bitcoin,jamesob/bitcoin,namecoin/namecoin-core,bitcoin/bitcoin,domob1812/bitcoin,jambolo/bitcoin,namecoin/namecoin-core,kallewoof/bitcoin,dscotese/bitcoin,anditto/bitcoin,anditto/bitcoin,sipsorcery/bitcoin,lateminer/bitcoin,bitcoin/bitcoin,bitcoinsSG/bitcoin,fujicoin/fujicoin,GroestlCoin/bitcoin,particl/particl-core,namecoin/namecore,tecnovert/particl-core,tecnovert/particl-core,achow101/bitcoin,jlopp/statoshi,tecnovert/particl-core,fanquake/bitcoin,tecnovert/particl-core,namecoin/namecoin-core,ajtowns/bitcoin,mruddy/bitcoin,andreaskern/bitcoin,kallewoof/bitcoin,GroestlCoin/GroestlCoin,instagibbs/bitcoin,fujicoin/fujicoin,fujicoin/fujicoin,AkioNak/bitcoin,dscotese/bitcoin,bitcoin/bitcoin,kallewoof/bitcoin,andreaskern/bitcoin,namecoin/namecoin-core,domob1812/bitcoin,domob1812/bitcoin,sipsorcery/bitcoin,fujicoin/fujicoin,namecoin/namecore,domob1812/bitcoin,jlopp/statoshi,jambolo/bitcoin,jlopp/statoshi,jlopp/statoshi,Xekyo/bitcoin,ajtowns/bitcoin,jamesob/bitcoin,namecoin/namecoin-core,particl/particl-core,lateminer/bitcoin,fanquake/bitcoin,achow101/bitcoin,mruddy/bitcoin,lateminer/bitcoin,lateminer/bitcoin,andreaskern/bitcoin,fanquake/bitcoin,particl/particl-core,anditto/bitcoin,tecnovert/particl-core,namecoin/namecoin-core,Xekyo/bitcoin,AkioNak/bitcoin,bitcoinsSG/bitcoin,AkioNak/bitcoin,GroestlCoin/GroestlCoin,fanquake/bitcoin,mruddy/bitcoin,lateminer/bitcoin,jambolo/bitcoin,AkioNak/bitcoin,particl/particl-core,achow101/bitcoin,Xekyo/bitcoin,GroestlCoin/bitcoin,jamesob/bitcoin,GroestlCoin/GroestlCoin,andreaskern/bitcoin,sstone/bitcoin,sipsorcery/bitcoin,particl/particl-core,fanquake/bitcoin,mruddy/bitcoin,instagibbs/bitcoin,instagibbs/bitcoin,anditto/bitcoin,andreaskern/bitcoin,jambolo/bitcoin,jamesob/bitcoin,sipsorcery/bitcoin,sstone/bitcoin,bitcoin/bitcoin,GroestlCoin/GroestlCoin,namecoin/namecore,bitcoinsSG/bitcoin,namecoin/namecore,kallewoof/bitcoin,andreaskern/bitcoin,GroestlCoin/GroestlCoin,instagibbs/bitcoin,domob1812/bitcoin,kallewoof/bitcoin,lateminer/bitcoin,sstone/bitcoin