Dev

Put in verification based on user's group membership.
Will need to add a configuration item to the webserver where you keep the AppID and the App Secret.  I wrote it to pull the #BoatSnap group ID from there so you can easily test it.  To test, put in a fake ID# and verify that you get denied access to the #BoatSnap app.  I'll be sending a FB message with the correct ID to specify in the config.