message: Allow registration to submit for non-fatal errors
  This allows you to proceed with registration even if the IS is down, for
  example.
  Fixes
diff: @@ -486,7 +486,7 @@ module.exports = React.createClass({
  onEditServerDetailsClick={onEditServerDetailsClick}
  flows={this.state.flows}
  serverConfig={this.props.serverConfig}
  - canSubmit={this.state.serverIsAlive && !this.state.serverErrorIsFatal}
  + canSubmit={!this.state.serverErrorIsFatal}
  />;
  }
  },
  