Resolve "CDN support for PIWIK analytics platform"

Closed Tim Zallmann requested to merge 38168-cdn-support-for-piwik-analytics-platform into master

What does this MR do?

It makes our Piwik configuration compatible with deploying the piwik.js to a CDN.

There is now the new optional Configuration parameter piwik_js_cdn_url, which is only needed if you want to serve the Javascript file from a different location. Based on the following description :

Are there points in the code the reviewer needs to double check?

Is anything else needed when adding a new configuration?

Why was this MR needed?

So can even be faster

Does this MR meet the acceptance criteria?

What are the relevant issue numbers?

Closes #38168 (closed)

Edited by Tim Zallmann