Add missing cabal copy for Travis
Add missing cabal copy for Travis

rvion/stack,tedkornish/stack,harendra-kumar/stack,cocreature/stack,keent/stack,chadbrewbaker/stack,CRogers/stack,wskplho/stack,Heather/stack,mrkkrp/stack,achernyak/stack,AndrewRademacher/stack,Denommus/stack,CRogers/stack,athanclark/stack,Heather/stack,GaloisInc/stack,fizruk/stack,martin-kolinek/stack,mrkkrp/stack,rrnewton/stack,chadbrewbaker/stack,deech/stack,markus1189/stack,Fuuzetsu/stack,rekka/stack,adinapoli/stack,sjakobi/stack,supermario/stack,agrafix/stack,vigoo/stack,ant1441/stack,bollu/stack,wolftune/stack,narrative/stack,luigy/stack,bollu/stack,wskplho/stack,agrafix/stack,Fuuzetsu/stack,chreekat/stack,keent/stack,kairuku/stack,DanielG/stack,soenkehahn/stack,AndreasPK/stack,AndrewRademacher/stack,juhp/stack,ant1441/stack,k-bx/stack,sinelaw/stack,athanclark/stack,sinelaw/stack,MaxGabriel/stack,anton-dessiatov/stack,kairuku/stack,deech/stack,GaloisInc/stack,joozek78/stack,supermario/stack,rvion/stack,anton-dessiatov/stack,hesselink/stack,soenkehahn/stack,chreekat/stack,mathhun/stack,Andrew-the-Ubergeek/stack,martin-kolinek/stack,DanielG/stack,tedkornish/stack,luigy/stack,meiersi-11ce/stack,AndreasPK/stack,markus1189/stack,cabrera/stack,cabrera/stack,akhileshs/stack,bixuanzju/stack,MichielDerhaeg/stack,MichielDerhaeg/stack,Blaisorblade/stack,robstewart57/stack,rubik/stack,rekka/stack,Andrew-the-Ubergeek/stack,bixuanzju/stack,meiersi-11ce/stack,phadej/stack,rubik/stack,akhileshs/stack,lukexi/stack,juhp/stack,fizruk/stack,wolftune/stack,harendra-kumar/stack,phadej/stack,adinapoli/stack,mathhun/stack,rrnewton/stack,Blaisorblade/stack,narrative/stack,robstewart57/stack,cocreature/stack,vigoo/stack,Denommus/stack,joozek78/stack,achernyak/stack,k-bx/stack,sjakobi/stack,duplode/stack,duplode/stack,MaxGabriel/stack,lukexi/stack