Add method to check whether an order has a shipping method or not
Fix has_shpping_method function
Fixed Multiple Sets of Tabs on One Page Bug

When clicking on a tab on a page with multiple sets of products/tabs,
other products/tabs were influenced due to a missing jquery context
element
Merge pull request #3872 from rnt/master

Oct 2 pot update
Merge pull request #3879 from justinstern/master

Fixed Multiple Sets of Tabs on One Page Bug
Don't show view cart message on cart page. Closes #3877
Tweak add to cart message. Closes #3876.
find_product_in_cart tweak Closes #3863
Maintain line breaks. Closes #3882
Remove accents from taxonomy names + run through filter Closes #3832
Fix tax rate saving #3884
Use correct label for tax classes. Closes #3885.
Merge pull request #3875 from ragulka/has-shipping-method

Add has_shipping_method() convenience function
woocommerce_checkout_update_customer_meta hook Closes #3860
more hooks closes #3860