Introduce filters to get_price_html_from_text() and get_price_html_from_to().
RESTAPI 2 Add possibility to filter by product_cat

For products it would be nice to be able to filter by product cat.

usage: filter[product_cat]=CATSLUG
Merge pull request #6455 from paulwilde/from-to-filters

Introduce filters to get_price_html_from_text() and get_price_html_from_to()
Tweak woocommerce_get_price_html_from_to in #6455
add custom add to cart handler. update for #5923
Merge pull request #6566 from helgatheviking/add-to-cart-handler-2

add custom add to cart handler. update for #5923
Changed filter name and some code style compliance
Merge pull request #6564 from krautnerds/rest-api-filter-by-product-cat

REST API 2.0: Add possibility to filter products by product_cat
active colour for product data tabs
padded helper class for extension devs.
bourbon node and import
don't use border radius mixin
remove box shadow vendor prefixes #5606
deprecation notices for mixins. Leaving them in for extensions. #5606
replace border box mixin with bourbon equivalent #5606
css #5606
replace gradient mixin refs with bourbon equivalent #5606
scale deprecated #5606