upgrading storm dependency

Author: Christian Blanquera

composer.json

@@ -20,7 +20,7 @@
         "php-coveralls/php-coveralls": "~2.1.0"
     },
     "require": {
-        "cradlephp/storm": "~1.0.4",
+        "cradlephp/storm": "~2.2.0",
         "cradlephp/cradle-admin": "~2.2.0",
         "predis/predis": "1.1.1",
         "elasticsearch/elasticsearch": "2.2.2",