I would like to edit a distribution provisioning profile so I can add / remove devices.
Basically, the following documentation page from Apple shows us how to do it easily... But since they updated the portal, I don't know how to do it anymore...
http://developer.apple.com/library/ios/#recipes/ProvisioningPortal_Recipes/CreatingaDistributionProvisioningProfile/CreatingaDistributionProvisioningProfile.html#//apple_ref/doc/uid/TP40011211-CH3-SW1