Require BlockBundle 2.2.8 to have the EventBlock

Author: wouterj

composer.json

@@ -26,6 +26,7 @@
         "symfony-cmf/routing-bundle": "~1.2,>=1.2.0",
         "symfony-cmf/testing": "~1.2,>=1.2.6",
         "sonata-project/doctrine-phpcr-admin-bundle": "~1.1",
+        "sonata-project/block-bundle": ">=2.2.8"
         "symfony/monolog-bundle": "~2.3"
     },
     "suggest": {