updating the versions on required libs, changing the dates for the event

Author: enygma

composer.json

@@ -1,12 +1,12 @@
 {
     "require": {
         "php": ">=5.4.0",
-        "sculpin/sculpin": "~2.0"
+        "sculpin/sculpin": "~2.1"
     },
     "autoload": {
         "psr-0": {
             "Lonestar\\Bundle\\OpenCfpBundle": "src/"
         }
     },
     "minimum-stability": "dev"
-}
+}