updating spec helper to work with new seeders for both datamapper and ar
updating spec helper to work with new seeders for both datamapper and ar

braindeaf/upmin-admin-ruby,braindeaf/upmin-admin-ruby,upmin/upmin-admin-ruby,cristianmejia/upmin-admin-ruby,upmin/upmin-admin-ruby,acrogenesis-lab/upmin-admin-ruby,ebakan/upmin-admin-ruby,ebakan/upmin-admin-ruby,upmin/upmin-admin-ruby,cristianmejia/upmin-admin-ruby,braindeaf/upmin-admin-ruby,cristianmejia/upmin-admin-ruby,ebakan/upmin-admin-ruby,acrogenesis-lab/upmin-admin-ruby