test travis again

.travis.yml

@@ -10,17 +10,8 @@ addons:
 install:
   - npm install
 
-before_script:
-  - npm install -g npm@3.10.9
-  - npm install -g grunt-cli
-
-jobs:
-  include:
-    - stage: Linters
-      script: npm run lint:css
-    - stage: Tests
-      script:
-        - grunt test
+script:
+  - npm run ci
 
 notifications:
   email:

package.json

@@ -146,6 +146,7 @@
     "node": "6.9.2"
   },
   "scripts": {
+    "ci": "npm run lint:css && grunt test",
     "test": "grunt test",
     "lint": "eslint .",
     "lint:css": "stylelint './app/assets/stylesheets/**/*.scss'",