The possibility to define the properties changefreq and priority for
XML sitemap entries has been implemented.

Resolves: #87433
Releases: master
Change-Id: I90b8c59ff916110be19aa8e8c888e77f25649bc3
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/59834


Tested-by: TYPO3com <noreply@typo3.com>
Tested-by: Jörg Bösche <typo3@joergboesche.de>
Tested-by: Richard Haeser <richard@maxserv.com>
Reviewed-by: Jörg Bösche <typo3@joergboesche.de>
Reviewed-by: Richard Haeser <richard@maxserv.com>