onChange (value) {
    if (value.username !== '') {
      this.props.actions.onProfileFormFieldChange('username', value.username)
    }
    if (value.email !== '') {
      this.props.actions.onProfileFormFieldChange('email', value.email)
    }
    this.setState({value})
  }
### onChange

When any fields change in the form, fire this action so they can
be validated.