Fix fee/coupon lines typo in REST API order response
COD: no need to hide in admin

Also fixes a fatal error when WC()->payment_gateways()->get_available_payment_gateways() is called in the admin
Update abstract-wc-shipping-method.php

The order is backward so if you use the default 'is_available' function for your extensions, the 'excluding' option will always deny every country because this line returns an empty array.
Introduce woocommerce_product_backorders_allowed filter
Closes #5424
Add $package to is_available shipping method hooks
Revise how variation attributes are deleted/updated

Prevents issues with WPE caching when you delete and then update right
after.
Merge pull request #5416 from bolderelements/patch-2

Update abstract-wc-shipping-method.php
Merge pull request #5413 from maxrice/fix-rest-api-order-response

Fix fee/coupon lines typo in REST API order response
Merge pull request #5418 from tamarazuk/backorders_allowed

Introduce woocommerce_product_backorders_allowed filter
Trim commas and empty lines off address formats Fixes #5411
param comment Fixes #5408
COD: check if cart is available before checking if it needs shipping
Consistence

Way to remove complete <h2> tag also consistence syntax like templates/single-product/tabs/additional-information.php
hide number input buttons in firefox 29 and later
defined a min value to cart quantity input
Use WP SEO class method rather than deprecated fn

Notice: wpseo_get_value is deprecated since version WPSEO 1.5.0! Use
WPSEO_Meta::get_value() instead.
Merge pull request #5436 from claudiosmweb/fix-qty-input-firefox29

Hide number input buttons in firefox 29 and later
Merge pull request #5437 from claudiosmweb/feature-cart-qty-min-value

Define a min value to cart quantity input
Merge pull request #5435 from dimitrov-adrian/patch-9

Consistence