fix ci

Author: mizdra

Diff for: .travis.yml

@@ -1,7 +1,7 @@
 language: node_js
 node_js:
-    - "5.5.0"
-install:
-    npm install
-script:
-    npm run lint
+    - "stable"
+sudo: false
+cache:
+  directories:
+    - node_modules

Diff for: package.json

@@ -5,6 +5,7 @@
   "main": "index.js",
   "scripts": {
     "lint": "eslint ./src/js/*",
+    "test": "npm run lint",
     "deploy": "gh-pages -d ./src"
   },
   "repository": {