Testing travis composer install relational example, running the init command and starting local webserver

.travis.yml

@@ -14,6 +14,10 @@ before_script:
     - composer self-update
     - composer require satooshi/php-coveralls:dev-master --no-update --dev
     - composer install --prefer-source
+    - cd examples/relational && composer install
+    - cd examples/relational && php config/init.php
+    - php -S localhost:8000 examples/relational/api.php &
+    - sleep 3
 
 script:
   - mkdir -p build/logs