Automatic coupons. These allow site-wide sales.

Coupons can optionally not use coupon codes. If they don't, they're "automatic", and apply to all new orders without the site visitor having to do anything.
Admins can reorder coupons for priority
Coupon names now shown on front end
More filters for coupons
Show current time on coupons index page
Improved layout for editing orders in admin
Admin menu renamed to "Discounts & Coupons"
Fixed broken reordering for tags
Tests for orders and coupons
Updated styles
Merge pull request #161 from isaacfreeman/1.2.x

Automatic coupons. These allow site-wide sales.