travis: run npm build instead gulp build
travis: run npm build instead gulp build

Former-commit-id: 55457401721f6f36ee287c38a4ecea2815b04f5b [formerly 1801ce170a3337417386e34f64fa399c5b478d24]
Former-commit-id: d79f9d615227ec091a1b886f52884d8ab4dacdc7
greenify/msa,greenify/msa,greenify/msa