fixed undefined variable in createMangoUser
fixed undefined variable in createMangoUser

when getBirthDate does not return a datetime object

so that it fails at the API call, giving a better explanation of what's wrong
Troopers/MangopayBundle,Hatles/MangopayBundle,Hatles/MangopayBundle,Troopers/MangopayBundle,Troopers/MangopayBundle,Hatles/MangopayBundle