cleanup

git-svn-id: https://silverstripe-ecommerce.googlecode.com/svn/modules/ecommerce_product_variation/trunk@5251 950b781c-c544-efab-2f99-90083ee69683
BUGFIXES

git-svn-id: https://silverstripe-ecommerce.googlecode.com/svn/modules/ecommerce_product_variation/trunk@5260 950b781c-c544-efab-2f99-90083ee69683