+ #facebook_auth_id: ""
+ #facebook_auth_secret: ""
+ #windowslive_auth_id: ""
+ #windowslive_auth_secret: ""
+ #github_auth_id: ""
+ #github_auth_secret: ""
+ # MapQuest authentication details
+ #mapquest_key: ""
+ # Mapzen authentication details
+ #mapzen_valhalla_key: ""