Added "rake db:migrate" to installation instructions
Added "rake db:migrate" to installation instructions
jurgis/spree-additional-calculators,jurgis/spree-additional-calculators,whitmanc/spree_sisbro_calculators,whitmanc/spree_sisbro_calculators,whitmanc/spree_sisbro_calculators,jurgis/spree-additional-calculators