Merge pull request #144 from TrySound/postcss6

Upgrade postcss6

Author: geelen

.travis.yml

@@ -1,9 +1,8 @@
-sudo: false
 language: node_js
 node_js:
   - "4"
   - "6"
-  - "7"
+  - "node"
 script: npm run travis
 
 after_success:

package.json

@@ -34,7 +34,7 @@
   },
   "homepage": "https://github.com/css-modules/postcss-modules-extract-imports",
   "dependencies": {
-    "postcss": "^5.0.4"
+    "postcss": "^6.0.1"
   },
   "devDependencies": {
     "babel": "^5.4.7",