How to format a date submission value of a webform? I need to format a birthday submission value to the short format (01.01.2015) defined under admin/config/regional/date-time on a webform.

This Token is working but it uses the long format (Fr, 01/01/2015):

[submission:values:bday]


I tried the following token variations :

[submission:values:bday:short]  
[submission:values:bday:custom:short]
[submission:values:bday:custom:d.m.Y] 
[submission:values:bday:date:short]


But none of them submits my desired output. Any Ideas?
I finally found a answer myself.
Instead of changing the date format tokens you can set the date format globally for webforms under admin/config/content/webform.