* Move order product sync to product data store
* Move order taxes sync to taxes data store
* Move order coupons sync to coupons data store
* Use table_name constant in data syncs
* Remove order data for incomplete order statuses
* Fix report rebuild tool
* Update comments to describe create/update entry reference
* Fix data_store_init function name change
* Fix product report data issue when issuing item refund
* Modify product order lookup stats when refund is given
* Remove products where orders are refunded
* Remove unused var and add comment about early return
* Reduce product revenue if quantity still remains after refund
* Fix subtotal array key and abs value for float
* Change product_gross_revenue to product_net_revenue
* Change product_gross_revenue to product_net_revenue
* Change product_gross_revenue to product_net_revenue in category data store
* Change to net_revenue in frontend category report
If order is updated while save_post action is in progress, then the update does not trigger stats table update, thus stats table gets out of sync with master data.