message: Update material-ui-logo
diff: @@ -3,6 +3,7 @@ import PropTypes from 'prop-types';
  import { Link } from 'react-router-dom';
  import { Toolbar, Typography, withStyles, Button } from '@material-ui/core';
  import PatreonSponsors from './components/PatreonSponsors';
  +import MuiLogo from '../../assets/mui-logo.svg';
  class Demo extends Component {
  static propTypes = {
  @@ -26,7 +27,7 @@ class Demo extends Component {
  <img
  alt="Material-UI logo"
  className={classes.materialUILogo}
  - src="https://material-ui-1dab0.firebaseapp.com/static/images/material-ui-logo.svg"
  + src={MuiLogo}
  />
  <Typography variant="display1" color="inherit" className="title text-light" gutterBottom>
  