Advanced Ads Pro 2.26.1

- disabled cache-busting when not needed for groups
- removed deprecated Flash module
- replaced deprecated jQuery functions
- fixed passive cache-busting for Specific Days and CFP
- fixed ad label when "Visitor profile" is enabled
- Click Fraud Protection: allow using the same ad multiple times on page
- Click Fraud Protection: remove ad after first click when only one click is allowed

- send placement tests email from admin email when "SERVER_NAME" is undefined
- added `advanced-ads-output-wrapper-before-content-group` hook used by other add-ons
- fire event after dynamically inserted ads (e.g. lazy-loading, infinite-scroll) have been decoded

- made Background placement work with AJAX cache-busting
- cache-busting wrappers now have static placement classes