defaultProps and Component support

• WeElement and Component are the same.
• Supports defaultProps

define('my-first-element', class extends WeElement {
  static defaultProps = {
		name: 'Omi',
		myAge: 18
	}

  render(props) {
    return (
      <h1>Hello, {props.name}! Age {props.myAge}</h1>
    )
  }
})