Add PHPStan and phpcs to the Travis build matrix

Signed-off-by: Maurício Meneghini Fauth <mauricio@fauth.dev>

Author: MauricioFauth

.travis.yml

@@ -13,6 +13,12 @@ matrix:
   allow_failures:
     - php: nightly
   include:
+    - php: 7.1
+      name: "Coding standard check"
+      script: vendor/bin/phpcs
+    - php: 7.1
+      name: "PHPStan"
+      script: vendor/bin/phpstan analyze
     - php: 7.1
       name: "phpmyadmin/motranslator"
       install: