Require CoreBundle 1.1 stable

Author: wouterj

composer.json

@@ -20,7 +20,7 @@
         "doctrine/phpcr-odm": "~1.1",
         "knplabs/knp-menu-bundle": "~2.0,>=2.0.0",
         "knplabs/knp-menu": "~2.0,>=2.0.0",
-        "symfony-cmf/core-bundle": "~1.1"
+        "symfony-cmf/core-bundle": "~1.1,>=1.1.0"
     },
     "require-dev": {
         "symfony-cmf/routing-bundle": "~1.2",