* Fix - Ensure styles & scripts are loaded where needed when "WooCommerce" string is translated
* Fix - When product prices include tax, use un-rounded unit costs to avoid price disparities between FreshBooks and WooCommerce
* Misc - Added support for WooCommerce 3.0
* Misc - Removed support for WooCommerce 2.4
* Misc - Removed support for WooCommerce Subscriptions versions older than v2.0.0
