build: use Travis CI container infrastructure
build: use Travis CI container infrastructure

tianyk/express-session-review,socialrank/express-session,Jpunt/session,fracmak/session,jasonkarns/session,saighost/session,sielay/session,wesleytodd/session,gabeio/session,globesherpa/session,hl198181/session,mig1098/session,happysj/session,digitalartcrew/session,danielgindi/session,tianyk/express-session-research,expressjs/session,MadisonReed/session,victorenator/session,soulman-is-good/session,cgcardona/session,coolaj86/session,cnwhy/session