Run some linters on TravisCI to ensure basic integrity of files.

.travis.yml

@@ -28,6 +28,14 @@ install:
 
 script:
   - php bin/phpunit --coverage-clover=coverage.xml
+  # Perform some simple linting if everything is correct
+  - ./bin/console lint:yaml config --parse-tags
+  - ./bin/console lint:twig templates --env=prod
+  - ./bin/console lint:xliff translations
+  # Check if we dont use dependencies with known vulnerabilities
+  - ./bin/console security:check
+  # Check doctrine mapping
+  - ./bin/console doctrine:schema:validate --skip-sync -vvv --no-interaction
 
 after_success:
   - bash <(curl -s https://codecov.io/bash)