compile-devtools on travis. (#2128)
compile-devtools on travis. (#2128)


tkadlec/lighthouse,ev1stensberg/lighthouse,deepanjanroy/lighthouse,GoogleChrome/lighthouse,GoogleChrome/lighthouse,mixed/lighthouse,mixed/lighthouse,deepanjanroy/lighthouse,umaar/lighthouse,arturmiz/lighthouse,tkadlec/lighthouse,wardpeet/lighthouse,ev1stensberg/lighthouse,wardpeet/lighthouse,ev1stensberg/lighthouse,tkadlec/lighthouse,GoogleChrome/lighthouse,arturmiz/lighthouse,GoogleChrome/lighthouse,deepanjanroy/lighthouse,tkadlec/lighthouse,GoogleChrome/lighthouse,arturmiz/lighthouse,umaar/lighthouse,arturmiz/lighthouse,mixed/lighthouse,wardpeet/lighthouse,umaar/lighthouse,ev1stensberg/lighthouse,mixed/lighthouse,deepanjanroy/lighthouse,arturmiz/lighthouse,deepanjanroy/lighthouse,umaar/lighthouse,wardpeet/lighthouse,wardpeet/lighthouse