Merge branch 'hotfix/3.2.9'
Correctly escape the option value in `Stylect.update()`
Only log the cronjob execution if the debug mode is enabled (see #4729)
Add the referer ID to the profile link in the back end
Remove two redundant "TYPOlight" references
Fix the CSS formatting of the page/file selector widget
Do not disable mod_rewrite for static files (see #6588)
Correctly wrap long labels in the tree view (see #6954)
Remove the generated style sheets of the example website from the git repository (see #6943)
Consider the protocol when embedding YouTube videos (see #6900)
Apply `max-width:100%` to image captions, too (see #6889)
Remove the menu when `Swipe.kill()` is executed (see #6861)
Correctly strip the file extension in the `File` class (see #6968)
Fix ambiguous ptable references in the  class (see #6848)
Only assume a moved file or folder for new resources (see #6907)
Store the UUID of uploaded files in the session (see #6986)
Check for reserved article aliases before validating the alias name (see #6978)
Update ACE to version 1.1.3
Update the back end date picker to version 2.2.0
Also show the preview image when editing multiple files (see #6643)