fix(infrastructure): set Travis CI node version to 7 (#758)
fix(infrastructure): set Travis CI node version to 7 (#758)


anton-kachurin/material-components-web,pgbross/material-components-web,anton-kachurin/material-components-web,material-components/material-components-web,pgbross/material-components-web,material-components/material-components-web,material-components/material-components-web