message: Add npm and travis badges
diff: -
  ![Stylable CSS for Components](./branding/logo/PNG/96-logo-horizontal.png)
  +[![npm version](https://badge.fury.io/js/stylable.svg)](https://www.npmjs.com/package/stylable)
  +[![Build Status](https://travis-ci.org/wix/stylable.svg?branch=master)](https://travis-ci.org/wix/stylable)
  +
  **Stylable** enables you to build reusable, highly-performant components. Each component exposes a style API that maps its internal parts so you can reuse components across teams without sacrificing stylability.
  * Scopes styles to components so they don't "leak" and clash with other styles.
  