message: Allow teamServerConfig to be missing
diff: @@ -232,9 +232,15 @@ export default React.createClass({
  break;
  case PageTypes.HomePage:
  + // If team server config is present, pass the teamServerURL. props.teamToken
  + // must also be set for the team page to be displayed, otherwise the
  + // welcomePageUrl is used (which might be undefined).
  + const teamServerUrl = this.props.config.teamServerConfig ?
  + this.props.config.teamServerConfig.teamServerURL : null;
  +
  page_element = <HomePage
  collapsedRhs={this.props.collapse_rhs}
  - teamServerUrl={this.props.config.teamServerConfig.teamServerURL}
  + teamServerUrl={teamServerUrl}
  teamToken={this.props.teamToken}
  homePageUrl={this.props.config.welcomePageUrl}
  />;
  