Bulk Table Editor for WooCommerce 2.4.19

* Changed updating products to automatically understand stock status
* Minor fix in UI for filters and action buttons
* Fixes in JS files to prevent jQuery issues with other plugins, some speed improvements
* Added minified CSS file
* Minor fixes and improvements

Minor bug fix due to previous restructuring

* Restructuring in some JS code
* Added minify for the main JS file for increase in speed

* Added integration with Action Scheduler and uses this if present instead of cron jobs for sales
* Added a 3 minute scheduler interval (for testing purposes) - option in WBTE settings
* Minor fixes

* Fixes in paging (total rebuild)
* Several improvements for speed

Minor fix for code sniffs (depricated functions)

* Minor fix in get products
* Other small improvements

* Fix for combined sale and tags filter
* Added reset filter button

Fix for tags on variable products

* Added option to set the query order and orderby in settings
* Allow 0 for fixed amount in bulk functions
* Performance optimalization - product query / fetching products
* Added color coding for on sale items - orange edit icon
* Added German translation pot file
* Minor fixes and improvements