updated: nodejs version for the travis tests
updated: nodejs version for the travis tests

chetanism/riot,joshcartme/riot,zawsx/js-lib-webcomponents-react-riot,xtity/riot,thepian/riot,stonexer/riot,joshcartme/riot,duongphuhiep/riot,sylvainpolletvillard/riot,qrb/riotjs,xtity/riot,stonexer/riot,AndrewSwerlick/riot,duongphuhiep/riot,dp-lewis/riot,madlordory/riot,rasata/riot,muut/riotjs,laomu1988/riot,muut/riotjs,txchen/riotjs,noodle-learns-programming/riot,thepian/riot,laomu1988/riot,rthbound/riot,AndrewSwerlick/riot,scalabl3/riot,rasata/riot,beni55/riot,sylvainpolletvillard/riot,seedtigo/riot,qrb/riotjs,rthbound/riot,seedtigo/riot,dschnare/riot,dschnare/riot,madlordory/riot,crisward/riot,baysao/riot,noodle-learns-programming/riot,zawsx/js-lib-webcomponents-react-riot,scalabl3/riot,dp-lewis/riot,baysao/riot,crisward/riot,txchen/riotjs,chetanism/riot,beni55/riot