travis: Use absolute paths for cache dirs
travis: Use absolute paths for cache dirs

bitcoinsSG/bitcoin,sipsorcery/bitcoin,EthanHeilman/bitcoin,GroestlCoin/bitcoin,pstratem/bitcoin,namecoin/namecore,gjhiggins/vcoincore,jtimon/bitcoin,litecoin-project/litecoin,jambolo/bitcoin,rnicoll/bitcoin,kallewoof/bitcoin,andreaskern/bitcoin,bitcoinknots/bitcoin,instagibbs/bitcoin,jtimon/bitcoin,jonasschnelli/bitcoin,Xekyo/bitcoin,jlopp/statoshi,MeshCollider/bitcoin,DigitalPandacoin/pandacoin,anditto/bitcoin,ajtowns/bitcoin,bitcoin/bitcoin,JeremyRubin/bitcoin,namecoin/namecore,pataquets/namecoin-core,namecoin/namecoin-core,n1bor/bitcoin,CryptArc/bitcoin,GroestlCoin/GroestlCoin,dscotese/bitcoin,namecoin/namecoin-core,andreaskern/bitcoin,n1bor/bitcoin,bitcoinknots/bitcoin,monacoinproject/monacoin,fanquake/bitcoin,MarcoFalke/bitcoin,bitcoinknots/bitcoin,particl/particl-core,GroestlCoin/GroestlCoin,practicalswift/bitcoin,GroestlCoin/bitcoin,tecnovert/particl-core,tecnovert/particl-core,alecalve/bitcoin,alecalve/bitcoin,domob1812/namecore,ElementsProject/elements,achow101/bitcoin,GroestlCoin/GroestlCoin,apoelstra/bitcoin,rnicoll/bitcoin,yenliangl/bitcoin,DigitalPandacoin/pandacoin,ElementsProject/elements,GroestlCoin/bitcoin,instagibbs/bitcoin,monacoinproject/monacoin,cdecker/bitcoin,monacoinproject/monacoin,fujicoin/fujicoin,sstone/bitcoin,jambolo/bitcoin,instagibbs/bitcoin,kallewoof/bitcoin,rnicoll/bitcoin,ajtowns/bitcoin,GroestlCoin/bitcoin,Sjors/bitcoin,pstratem/bitcoin,sipsorcery/bitcoin,achow101/bitcoin,practicalswift/bitcoin,alecalve/bitcoin,rnicoll/bitcoin,midnightmagic/bitcoin,mm-s/bitcoin,jamesob/bitcoin,prusnak/bitcoin,vertcoin/vertcoin,mm-s/bitcoin,particl/particl-core,litecoin-project/litecoin,jlopp/statoshi,fanquake/bitcoin,MeshCollider/bitcoin,apoelstra/bitcoin,rnicoll/dogecoin,ahmedbodi/vertcoin,jtimon/bitcoin,alecalve/bitcoin,qtumproject/qtum,tjps/bitcoin,qtumproject/qtum,yenliangl/bitcoin,ElementsProject/elements,EthanHeilman/bitcoin,andreaskern/bitcoin,wellenreiter01/Feathercoin,jamesob/bitcoin,CryptArc/bitcoin,domob1812/namecore,EthanHeilman/bitcoin,jamesob/bitcoin,cdecker/bitcoin,fanquake/bitcoin,gjhiggins/vcoincore,ajtowns/bitcoin,midnightmagic/bitcoin,apoelstra/bitcoin,andreaskern/bitcoin,namecoin/namecore,ahmedbodi/vertcoin,bitcoinsSG/bitcoin,particl/particl-core,achow101/bitcoin,fujicoin/fujicoin,nikkitan/bitcoin,kallewoof/bitcoin,domob1812/bitcoin,mruddy/bitcoin,Xekyo/bitcoin,Xekyo/bitcoin,alecalve/bitcoin,tjps/bitcoin,bitcoin/bitcoin,ajtowns/bitcoin,tjps/bitcoin,lateminer/bitcoin,ahmedbodi/vertcoin,pstratem/bitcoin,tjps/bitcoin,rnicoll/dogecoin,particl/particl-core,cdecker/bitcoin,pstratem/bitcoin,kallewoof/bitcoin,dscotese/bitcoin,qtumproject/qtum,MarcoFalke/bitcoin,nikkitan/bitcoin,yenliangl/bitcoin,prusnak/bitcoin,peercoin/peercoin,jamesob/bitcoin,prusnak/bitcoin,practicalswift/bitcoin,fujicoin/fujicoin,domob1812/bitcoin,fujicoin/fujicoin,yenliangl/bitcoin,lateminer/bitcoin,tecnovert/particl-core,kallewoof/bitcoin,jlopp/statoshi,prusnak/bitcoin,dscotese/bitcoin,bitcoinknots/bitcoin,wellenreiter01/Feathercoin,Sjors/bitcoin,MarcoFalke/bitcoin,nikkitan/bitcoin,Xekyo/bitcoin,namecoin/namecoin-core,rnicoll/dogecoin,namecoin/namecoin-core,particl/particl-core,tecnovert/particl-core,JeremyRubin/bitcoin,cdecker/bitcoin,n1bor/bitcoin,vertcoin/vertcoin,n1bor/bitcoin,FeatherCoin/Feathercoin,mruddy/bitcoin,sipsorcery/bitcoin,mitchellcash/bitcoin,sstone/bitcoin,bitcoinsSG/bitcoin,jamesob/bitcoin,namecoin/namecore,prusnak/bitcoin,cdecker/bitcoin,MarcoFalke/bitcoin,AkioNak/bitcoin,jonasschnelli/bitcoin,AkioNak/bitcoin,n1bor/bitcoin,peercoin/peercoin,peercoin/peercoin,namecoin/namecore,mm-s/bitcoin,domob1812/bitcoin,Xekyo/bitcoin,fujicoin/fujicoin,litecoin-project/litecoin,sipsorcery/bitcoin,sipsorcery/bitcoin,jambolo/bitcoin,jonasschnelli/bitcoin,fanquake/bitcoin,MarcoFalke/bitcoin,wellenreiter01/Feathercoin,FeatherCoin/Feathercoin,mitchellcash/bitcoin,tecnovert/particl-core,practicalswift/bitcoin,CryptArc/bitcoin,domob1812/namecore,MeshCollider/bitcoin,anditto/bitcoin,rnicoll/dogecoin,lateminer/bitcoin,JeremyRubin/bitcoin,ahmedbodi/vertcoin,kallewoof/bitcoin,anditto/bitcoin,gjhiggins/vcoincore,alecalve/bitcoin,peercoin/peercoin,gjhiggins/vcoincore,bitcoin/bitcoin,anditto/bitcoin,midnightmagic/bitcoin,tjps/bitcoin,MeshCollider/bitcoin,qtumproject/qtum,vertcoin/vertcoin,vertcoin/vertcoin,fanquake/bitcoin,mruddy/bitcoin,DigitalPandacoin/pandacoin,namecoin/namecore,cdecker/bitcoin,sstone/bitcoin,pataquets/namecoin-core,dscotese/bitcoin,DigitalPandacoin/pandacoin,namecoin/namecoin-core,Sjors/bitcoin,mruddy/bitcoin,lateminer/bitcoin,pataquets/namecoin-core,rnicoll/bitcoin,vertcoin/vertcoin,apoelstra/bitcoin,instagibbs/bitcoin,domob1812/bitcoin,practicalswift/bitcoin,jnewbery/bitcoin,GroestlCoin/bitcoin,nikkitan/bitcoin,EthanHeilman/bitcoin,andreaskern/bitcoin,mitchellcash/bitcoin,MeshCollider/bitcoin,nikkitan/bitcoin,jtimon/bitcoin,domob1812/bitcoin,bitcoin/bitcoin,ahmedbodi/vertcoin,jlopp/statoshi,fanquake/bitcoin,peercoin/peercoin,mruddy/bitcoin,jnewbery/bitcoin,JeremyRubin/bitcoin,litecoin-project/litecoin,midnightmagic/bitcoin,qtumproject/qtum,mm-s/bitcoin,pataquets/namecoin-core,sstone/bitcoin,domob1812/bitcoin,GroestlCoin/bitcoin,domob1812/namecore,achow101/bitcoin,GroestlCoin/GroestlCoin,apoelstra/bitcoin,tecnovert/particl-core,mitchellcash/bitcoin,MarcoFalke/bitcoin,MeshCollider/bitcoin,instagibbs/bitcoin,bitcoinsSG/bitcoin,ajtowns/bitcoin,achow101/bitcoin,ElementsProject/elements,mm-s/bitcoin,jambolo/bitcoin,wellenreiter01/Feathercoin,prusnak/bitcoin,jambolo/bitcoin,mitchellcash/bitcoin,fujicoin/fujicoin,nikkitan/bitcoin,lateminer/bitcoin,DigitalPandacoin/pandacoin,bitcoinknots/bitcoin,yenliangl/bitcoin,jamesob/bitcoin,GroestlCoin/GroestlCoin,gjhiggins/vcoincore,CryptArc/bitcoin,FeatherCoin/Feathercoin,jonasschnelli/bitcoin,andreaskern/bitcoin,bitcoinsSG/bitcoin,namecoin/namecoin-core,mitchellcash/bitcoin,AkioNak/bitcoin,bitcoin/bitcoin,bitcoin/bitcoin,lateminer/bitcoin,pataquets/namecoin-core,CryptArc/bitcoin,apoelstra/bitcoin,jtimon/bitcoin,midnightmagic/bitcoin,dscotese/bitcoin,jnewbery/bitcoin,jonasschnelli/bitcoin,n1bor/bitcoin,wellenreiter01/Feathercoin,FeatherCoin/Feathercoin,monacoinproject/monacoin,jnewbery/bitcoin,bitcoinsSG/bitcoin,AkioNak/bitcoin,JeremyRubin/bitcoin,AkioNak/bitcoin,GroestlCoin/GroestlCoin,qtumproject/qtum,instagibbs/bitcoin,AkioNak/bitcoin,jlopp/statoshi,domob1812/namecore,sstone/bitcoin,gjhiggins/vcoincore,dscotese/bitcoin,jambolo/bitcoin,jlopp/statoshi,FeatherCoin/Feathercoin,Sjors/bitcoin,rnicoll/dogecoin,Xekyo/bitcoin,monacoinproject/monacoin,FeatherCoin/Feathercoin,vertcoin/vertcoin,sipsorcery/bitcoin,DigitalPandacoin/pandacoin,peercoin/peercoin,pstratem/bitcoin,anditto/bitcoin,ajtowns/bitcoin,practicalswift/bitcoin,JeremyRubin/bitcoin,midnightmagic/bitcoin,pataquets/namecoin-core,tjps/bitcoin,ElementsProject/elements,qtumproject/qtum,jnewbery/bitcoin,mruddy/bitcoin,litecoin-project/litecoin,ElementsProject/elements,domob1812/namecore,monacoinproject/monacoin,sstone/bitcoin,litecoin-project/litecoin,Sjors/bitcoin,ahmedbodi/vertcoin,yenliangl/bitcoin,jtimon/bitcoin,EthanHeilman/bitcoin,CryptArc/bitcoin,achow101/bitcoin,pstratem/bitcoin,anditto/bitcoin,wellenreiter01/Feathercoin,particl/particl-core,mm-s/bitcoin,EthanHeilman/bitcoin,rnicoll/bitcoin