message: Made the new window dialog's name input autofocus. Also disabled the confirm button if no name is present
diff: @@ -127,7 +127,9 @@ class NewWindowInput extends React.Component {
  <FlatButton onClick={this.props.cancel}>cancel</FlatButton>
  <FlatButton
  type="submit"
  - disabled={this.state.isInvalidName}
  + disabled={
  + this.state.isInvalidName || this.state.options.windowName === ''
  + }
  onClick={this.onSubmit}
  >
  {'confirm'}
  @@ -158,6 +160,7 @@ class NewWindowInput extends React.Component {
  label="Window Name"
  value={this.state.options.windowName}
  onChange={this.handleWindowNameChange}
  + autoFocus
  />
  {this.state.isInvalidName && (
  <span className="message">* {this.state.errorMessage}</span>
  