Promisify setState

A HOC to promisify React.Component's setState method.

``jsx
import React from 'react';
import promisifySetState from 'promisify-setstate';

class Panel extends React.Component {
onIconClick() {
this.setState({ panelClicked: true })
.then(() => {
// do something awesome here... ;)
})
.catch(() => {
// oops :P
});
}
render() {
return (
;
)
}
}

export default promisifySetState(Panel);
``