Travis CI integration (#6)

* Travis CI integration

* Remove php 7.0 from build

* Fix travis configuration

* Add nice badges to readme

Author: akondas

.travis.yml

@@ -0,0 +1,21 @@
+language: php
+
+matrix:
+  fast_finish: true
+
+  include:
+    - os: linux
+      php: '7.1'
+
+    - os: linux
+      php: '7.2'
+
+cache:
+  directories:
+    - $HOME/.composer/cache
+
+install:
+  - composer install --prefer-dist --no-interaction --ignore-platform-reqs
+
+script:
+  - composer check

README.md

@@ -1,5 +1,11 @@
 # Yii2 extension for PHPStan
 
+[![Minimum PHP Version](https://img.shields.io/badge/php-%3E%3D%207.1-8892BF.svg)](https://php.net/)
+[![Latest Stable Version](https://img.shields.io/packagist/v/proget-hq/phpstan-yii2.svg)](https://packagist.org/packages/proget-hq/phpstan-yii2)
+[![Build Status](https://travis-ci.org/proget-hq/phpstan-yii2.svg?branch=master)](https://travis-ci.org/proget-hq/phpstan-yii2)
+[![Total Downloads](https://poser.pugx.org/proget-hq/phpstan-yii2/downloads.svg)](https://packagist.org/packages/proget-hq/phpstan-yii2)
+[![License](https://poser.pugx.org/proget-hq/phpstan-yii2/license.svg)](https://packagist.org/packages/proget-hq/phpstan-yii2)
+
 ## What does it do?
 
 * Provides correct return type for `Yii::$container->get('service_id')` method,

composer.json

@@ -35,8 +35,8 @@
         "stan": "phpstan analyse -l max -c ./phpstan.neon ./src ./tests",
         "check": [
             "@check-cs",
-            "@tests",
-            "@stan"
+            "@stan",
+            "@tests"
         ]
     }
 }