Correctly evaluate defaultValue and not only PropType.

[oliviertassinari]

I have created a failing test to show you my issue: #46.
The defaultValue is not extracted correctly.

[donnieberg]

@oliviertassinari +1 on this bug with ES6.
MyComponent.defaultProps = { propName: "propVal" };

[fkling]

Fixed with 27c9ec2 and published with v2.5.0

[oliviertassinari]

Thanks.