WooCommerce Customer Order Coupon CSV Import Suite 3.12.0

* Feature - Add import management screen to view job progress or stop running jobs

* Tweak - WordPress password emails can be suppressed for updated customers when email sending is off
* Tweak - Update requirements for WordPress 4.4 to ensure job names save properly
* Fix - Decode encoded characters in item meta during order imports
* Fix - Improve matching for order numbers from the free Sequential Order Numbers plugin

* Tweak - Attempting to start a new import while one is running will take you to the current progress page to avoid duplication
* Fix - Coupon imports could not properly set multiple product category usage limits
* Fix - Import progress stalling with some server environments
* Misc - Update SkyVerge plugin framework