add github token to .travis.yml to fix builds?
add github token to .travis.yml to fix builds?

jum/Charts,liuxuan30/Charts,danielgindi/Charts,icecrystal23/ios-charts,jum/Charts,jjatie/Charts,liuxuan30/ios-charts,franqueli/ios-charts,icecrystal23/ios-charts,SereivoanYong/Charts,franqueli/ios-charts,MAARK/Charts,liuxuan30/Charts,jjatie/Charts,LiveHappier/Charts,danielgindi/ios-charts,FreddyZeng/Charts,danielgindi/ios-charts,icecrystal23/ios-charts,summerlove57/ios-charts,hanquochan/Charts,icecrystal23/ios-charts,shujucn/ios-charts,liuxuan30/ios-charts,jum/Charts,duanhjlt/ios-charts,hanquochan/Charts,FreddyZeng/Charts,liuxuan30/Charts,summerlove57/ios-charts,shujucn/ios-charts,danielgindi/ios-charts,danielgindi/Charts,duanhjlt/ios-charts,liuxuan30/ios-charts,SereivoanYong/Charts,ConcepterDev/ios-charts,ConcepterDev/ios-charts,MAARK/Charts,jjatie/Charts,LiveHappier/Charts,ekohe/ios-charts,danielgindi/Charts,MAARK/Charts,FreddyZeng/Charts,jum/Charts,franqueli/ios-charts,FreddyZeng/Charts,MAARK/Charts,jjatie/Charts,liuxuan30/Charts,liuxuan30/ios-charts,danielgindi/ios-charts,danielgindi/Charts,ekohe/ios-charts,hanquochan/Charts,SereivoanYong/Charts,duanhjlt/ios-charts,shujucn/ios-charts,ConcepterDev/ios-charts,summerlove57/ios-charts,LiveHappier/Charts,ekohe/ios-charts,hanquochan/Charts