[travis] add CI for linting

.travis.yml

@@ -0,0 +1,3 @@
+language: node_js
+node_js:
+  - "stable"

README.md

@@ -1,4 +1,4 @@
-#[Material-UI](http://callemall.github.io/material-ui/)
+#[Material-UI](http://callemall.github.io/material-ui/) [![Build Status](https://travis-ci.org/callemall/material-ui.svg?branch=master)](https://travis-ci.org/callemall/material-ui)
 
 [![Gitter](https://badges.gitter.im/Join Chat.svg)](https://gitter.im/callemall/material-ui?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) [![Pair on this](https://tf-assets-staging.s3.amazonaws.com/badges/thinkful_repo_badge.svg)](http://start.thinkful.com/react/?utm_source=github&utm_medium=badge&utm_campaign=material-ui)
 

package.json

@@ -5,7 +5,7 @@
   "description": "Material Design UI components built with React",
   "main": "./lib",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1",
+    "test": "echo \"No test implemented\" && exit 0",
     "prebuild": "rm -rf lib",
     "eslint": "eslint src/**",
     "build": "npm run eslint && babel --stage 1 ./src --out-dir ./lib",