message: Use KeyCode.ENTER instead of 13
diff: @@ -20,6 +20,7 @@ import React from 'react';
  import sdk from '../../../index';
  import MatrixClientPeg from '../../../MatrixClientPeg';
  import classnames from 'classnames';
  +import KeyCode from '../../../KeyCode';
  // The amount of time to wait for further changes to the input username before
  // sending a request to the server
  @@ -92,7 +93,7 @@ export default React.createClass({
  },
  onKeyUp: function(ev) {
  - if (ev.keyCode === 13) {
  + if (ev.keyCode === KeyCode.ENTER) {
  this.onSubmit();
  }
  },
  