Fix Brand.has_products() so it's not always True
Fix Brand.has_products() so it's not always True

--HG--
extra : convert_revision : svn%3Aa38d40e9-c014-0410-b785-c606c0c8e7de/satchmo/trunk%402041

ringemup/satchmo,Ryati/satchmo,dokterbob/satchmo,Ryati/satchmo,dokterbob/satchmo,twidi/satchmo,ringemup/satchmo,twidi/satchmo