No petition configurations available

Out of the box, petition module is enabled and one should be able to configure it here: admin/config/system/petitions
But when you visit the path, there is no such page!! 

Regards.
![petition-missing](https://cloud.githubusercontent.com/assets/516093/22681690/98865bd0-ed34-11e6-94d6-dbb6b8f4ae27.png)
