Use composer to run lint

Author: k1sul1

.travis.yml

@@ -18,4 +18,4 @@ script:
   - composer install -o --prefer-dist --no-interaction
 
   # Check project with phps
-  - ./vendor/bin/phpcs -n -p .
+  - composer run lint

composer.json

@@ -16,5 +16,8 @@
   "require-dev": {
     "dealerdirect/phpcodesniffer-composer-installer": "^0.4.4",
     "wp-coding-standards/wpcs": "0.12.0"
+  },
+  "scripts": {
+    "lint": "./vendor/bin/phpcs --standard=./phpcs.xml -n -p ."
   }
 }