Temporary allow dev dependencies

Author: wouterj

composer.json

@@ -26,6 +26,8 @@
         "matthiasnoback/symfony-config-test": "^1.3.1",
         "doctrine/phpcr-odm": "^1.3|^2.0"
     },
+    "minimum-stability": "dev",
+    "prefer-stable": true,
     "suggest": {
         "doctrine/phpcr-odm": "To enable support for the PHPCR ODM documents",
         "doctrine/phpcr-bundle": "To enable support for the PHPCR ODM documents",