try to fix travis.yml
try to fix travis.yml

superduper/persistent,plow-technologies/persistent,junjihashimoto/persistent,meteficha/persistent,jasonzoladz/persistent,gbwey/persistent,paul-rouse/persistent,psibi/persistent,creichert/persistent,jcristovao/persistent,greydot/persistent,pseudonom/persistent,gbwey/persistent,andrewthad/persistent,mitchellwrosen/persistent,nakaji-dayo/persistent,mkscrg/persistent,meteficha/persistent,junjihashimoto/persistent,jasonzoladz/persistent,erikd/persistent,mitchellwrosen/persistent,nakaji-dayo/persistent,pseudonom/persistent,greydot/persistent,gbwey/persistent,greydot/persistent,bitemyapp/persistent,jcristovao/persistent,jasonzoladz/persistent,superduper/persistent,naushadh/persistent,mitchellwrosen/persistent,mkscrg/persistent,rdnetto/persistent,jcristovao/persistent,andrewthad/persistent,mkscrg/persistent,superduper/persistent,meteficha/persistent,rdnetto/persistent,andrewthad/persistent,nakaji-dayo/persistent,yesodweb/persistent