YITH WooCommerce Advanced Reviews Premium 1.37.0

* New: Support to WooCommerce 3.5.0
* Tweak: new action links and plugin row meta in admin manage plugins page
* Update: updating the .pot
* Update: Updating the German translation, thanks to Alexander Cekic.
* Fix: Avoid spam for user reviews who have not purchased the product
* Dev: added filter yith_ywar_add_filtering_link
* Dev: check about recapcha only on products
* Dev: added a new filter to the tab title
* Dev: added a new filter to check if is a custom user

* New: Added screen options to reviews screen
* Update: Spanish language
* Update: Italian translation
* Update: Dutch translation
* Updated: updated the official documentation url of the plugin
* Fix: mark comments created from a yith review as imported
* Dev: checking YITH_Privacy_Plugin_Abstract for old plugin-fw versions
* Dev: including 'wp-admin/includes/plugin.php'
* Dev: Improvement of the performance on product page


* GDPR:
- New: exporting user review data info
- New: erasing user review data info
- New: privacy policy content
* New: recaptcha
* New: added Persian ( farsi ) translation to the plugin, thanks to BanuSara Group
* Tweak: SEO Improvements (added rel="nofollow" to several links)
* Tweak: add variable $review on filter yith_ywar_review_author_data

* Update: Dutch translation
* Update: Documentation link of the plugin
* Fix: Capatibility changed from manage_option to manage_woocommerce
* Fix: fixed visual issue in a string
* Fix: adding product item to aggregateRating
* Fix: recaptcha
* Dev: adding new filters

• New: recaptcha
• New: added Persian ( farsi ) translation to the plugin, thanks to BanuSara Group
• Tweak: SEO Improvements (added rel="nofollow" to several links)
• Tweak: add variable $review on filter yith_ywar_review_author_data
• Tweak: GDPR - exporting user review data info
• Tweak: GDPR - erasing user review data info
• Tweak: GDPR - privacy policy content
• Update: Italian translation
• Update: Dutch translation
• Update: Documentation link of the plugin
• Fix: Capatibility changed from manage_option to manage_woocommerce
• Fix: fixed visual issue in a string
• Fix: adding product item to aggregateRating
• Fix: recaptcha
• Dev: adding new filters