Block bundle stable

composer.json

@@ -36,7 +36,7 @@
         "twig/twig": "^1.23",
         "twig/extensions": "^1.0",
         "sonata-project/exporter": "^1.0",
-        "sonata-project/block-bundle": "^3.0@dev",
+        "sonata-project/block-bundle": "^3.0",
         "sonata-project/core-bundle": "^3.0",
         "doctrine/common": "^2.2",
         "doctrine/inflector": "^1.0",