Merge pull request #6 from olegman/patch-2

Update .travis.yml

Author: lutien

.travis.yml

@@ -1,5 +1,20 @@
 language: node_js
+sudo: false
 node_js:
-  - "6"
-  - "4"
-  - "0.12"
+  - 4
+  - 6
+
+cache:
+  directories:
+    - node_modules
+
+script:
+  - npm test
+
+deploy:
+  provider: npm
+  email: [email protected]
+  api_key: $NPM_API_KEY
+  on:
+    tags: true
+    repo: lutien/postcss-extract-value