Fix travisCI config to not use a bundled version of rake.
Fix travisCI config to not use a bundled version of rake.

entropy-software/dashing,dbirchak/dashing,justanshulsharma/dashing,justanshulsharma/dashing,amymok/dashing,ematthews/dashing,AndBicScadMedia/dashing,dwar515/dashing,adambyrtek/dashing,x2on/dashing,dbirchak/dashing,popanything/dashing-beanstalk,TestOrgsrcclr/TestItem6,dbirchak/dashing,kcyeu/dashing,lukewestby/dashing,pkdevbox/dashing,Nikeshsuwal/dashing,shirkevich/dashing,christer155/dashing,TOASTbranding/dashboard,blairanderson/dashing,olinares/dashing,AndBicScadMedia/dashing,peterblazejewicz/dashing,entropy-software/dashing,doemput/dashing,denisnurboja/dashing,vanruby/dashing,elfinith/racedata-dashboard,pkdevbox/dashing,wakermahmud/dashing,AndBicScadMedia/dashing,blairanderson/dashing,TOASTbranding/dashboard,Nikeshsuwal/dashing,freistli/dashing,doemput/dashing,lokulin/nuvo-dashing-js,theodi/dashing,jstirnaman/dashing_library_dashboard,lokulin/nuvo-dashing-js,pkdevbox/dashing,denisnurboja/dashing,justanshulsharma/dashing,popanything/dashing-beanstalk,christer155/dashing,blairanderson/dashing,rkachowski/dashing,entropy-software/dashing,doemput/dashing,mjago/dashing,freistli/dashing,shirkevich/dashing,adambyrtek/dashing,fin-ttencza/dashing,UmarMughal/dashing,amymok/dashing,freistli/dashing,jstirnaman/dashing_library_dashboard,ibetdogg/test,wakermahmud/dashing,Shopify/dashing,elfinith/racedata-dashboard,kc9ryt/lmsbroadcast,kcyeu/dashing,x2on/dashing,dwar515/dashing,fin-ttencza/dashing,rkachowski/dashing,peterblazejewicz/dashing,shirkevich/dashing,rkachowski/dashing,UmarMughal/dashing,kalv/dashing,Shopify/dashing,LukeHackett/dashing,christer155/dashing,adambyrtek/dashing,TOASTbranding/dashboard,amymok/dashing,Nikeshsuwal/dashing,olinares/dashing,Shopify/dashing,wakermahmud/dashing,TestOrgsrcclr/TestItem6,kalv/dashing,ematthews/dashing,mjago/dashing,ibetdogg/test,peterblazejewicz/dashing,LukeHackett/dashing,olinares/dashing,UmarMughal/dashing,kc9ryt/lmsbroadcast,lukewestby/dashing,cmdubie/dashing,theodi/dashing,theodi/dashing,mjago/dashing,dwar515/dashing,ibetdogg/test,ematthews/dashing,x2on/dashing,kcyeu/dashing,kc9ryt/lmsbroadcast,kalv/dashing,TestOrgsrcclr/TestItem6,LukeHackett/dashing,elfinith/racedata-dashboard,elfinith/racedata-dashboard,vanruby/dashing,cmdubie/dashing,denisnurboja/dashing,lukewestby/dashing