simplified AppKernel as the one that comes with Symfony Standerd Edition plus the required bundles to run a RedKite CMS in production; added a specific RedKiteCmsAppKernel to handle the RedKite CMS and a specific console fot this Kernel
added RedKite CMS bundles
renamed phpunit.xml to app/phpunit.xml.dist and updated to run tests; the phpunit file that comes with Symfony Standard Edition has been renamed phpunit.xml.symfony
updated app/bootstrap.php.cache
updated composer.json