Use the new build env on Travis
Use the new build env on Travis

more ram, dedicated cpu cores, faster boot times, better network
wlchou/secureheaders,didacte/secureheaders,reedloden/secureheaders,jacobbednarz/secureheaders,wlchou/secureheaders,twitter/secureheaders,reedloden/secureheaders,didacte/secureheaders,wlchou/secureheaders,didacte/secureheaders,eoy/secureheaders,davidhan527/secureheaders,codelion/secureheaders,codelion/secureheaders,codelion/secureheaders,eoy/secureheaders,reedloden/secureheaders,eoy/secureheaders