Add travis test and badge

close #1

.eslintrc

 {
   "parser": "babel-eslint",
   "extends": "airbnb",
+  "env": {
+    "browser": true,
+    "node": true,
+    "es6": true
+  },
   "rules": {
     "generator-star-spacing": [0],
     "consistent-return": [0],

README.md

 # test2
+
+[![](https://img.shields.io/travis/ant-design/test2.svg?style=flat-square)](https://travis-ci.org/ant-design/test2)

package.json

@@ -4,7 +4,8 @@
   "scripts": {
     "start": "roadhog server",
     "build": "roadhog build",
-    "lint": "eslint --ext .js src test",
+    "lint": "eslint --ext .js src test mock",
+    "test": "lint",
     "precommit": "npm run lint"
   },
   "dependencies": {