Specify :class_name for has_many images on Variant
Specify :class_name for has_many images on Variant

Previously, attempting to assign invalid data (i.e. variant.images = [nil]) to this association would've resulted in an uninitialized constant error for Image, rather than erroring correctly on an association class mismatch.

lzcabrera/spree-1-3-stable,lzcabrera/spree-1-3-stable,lzcabrera/spree-1-3-stable