YITH Cost of Goods for WooCommerce Premium 2.7.0

* New: added a new pagination options in the settings
* New: Added a new option to hide the currency symbol in the reports
* Tweak: Improving the technical language of the reports
* Update: Italian language
* Update: Spanish language
* Update: Dutch language
* Update: Plugin framework 3.0.15
* Fix: Fixing the stock
* Fix: Fixed the name of the variation on the stock report
* Fix: fixing minor issues.
* Fix: adding a round to the values without currency symbol
* Fix: Fixed the item per page select.
* Dev: Hiding the item meta in the orders

Update: Updating .pot
Fix: Changing some texts strings
Fix: Fixed a problem with the JS
Fix: Fixing the stock report with variations.
Dev: Added a filter in the product column value

New: Add a Export CSV link in the stock report
New: Add a button to import the cost from WooCommerce Cost of Goods