spree/spree — pull request #4113 by jewilmeer (2013-12-13 09:33:24+00:00)
Title: Load promotion rules after app initialization

So that they can make proper use of `Spree.user_class` which is only
defined on the app spree.rb initializer

[Fixes #3152]

This fix is already applied to spree 2.0 and 2.1