fix(travis): fix .travis.yml typo
fix(travis): fix .travis.yml typo

rolandjitsu/ng2-lab,marc-inn/ng2-play,btford/ng2-play,btford/ng2-play,marc-inn/ng2-play,rolandjitsu/angular-lab,rolandjitsu/ng2-play,rolandjitsu/angular-lab,rolandjitsu/ng2-lab,rolandjitsu/ng2-play,btford/ng2-play,rolandjitsu/angular-lab,rolandjitsu/angular-lab,rolandjitsu/ng2-lab,marc-inn/ng2-play,rolandjitsu/ng2-lab,marc-inn/ng2-play,rolandjitsu/ng2-play,rolandjitsu/ng2-play,btford/ng2-play