fixed the status for create new customers via api
Send http status 201 when coupon created.
Remove duplicate coupon type check
Allow reordering of the order list with the REST api
REST API: allow ordering change
Removing ordering code from orders

This code got moved to the resources file.
IT languages update
This branch is now 2.1.8-bleeding
For customer search, join once. Performance increase.
Backorders at variation level

Added a new select metabox for variations allowing users to control
backorders at the variation level.
Might need more testing.
ref: #5351
Template cleanup
Print notices in view order template Closes #5348
Update stock amounts with DB queries Closes #5367

@claudiosmweb and @coenjacobs please review
Add action filter in inventory product data

Allows plugins to add meta fields after stock status/backorders even if woocommerce_manage_stock is turned off.
Another action hook in Inventory product data tab

allow plugins to create a new options_group in this tab
gateway COD added instructions to email closes #5385
Merge pull request #5386 from splashingpixels/gateway-cod

gateway COD added instructions to email closes #5385
Merge pull request #5353 from tamarazuk/backorder-variations

Backorders at variation level
Merge pull request #5384 from tamarazuk/patch-1

Add action filter in inventory product data
Update class-wc-checkout.php

Recalculating the cart totals, in the event a user registers during checkout and in doing so qualifies for any discounts