Merge pull request 'Rewrite feed entry link as href content' (#40) from klempin/tt-rss:master into master

Reviewed-on: https://git.tt-rss.org/fox/tt-rss/pulls/40

Reviewed-on: https://git.tt-rss.org/fox/tt-rss/pulls/39

Updated by "Update PO files to match POT (msgmerge)" hook in Weblate.

Translation: Tiny Tiny RSS/messages
Translate-URL: https://weblate.tt-rss.org/projects/tt-rss/messages/

 - support invoking specifying owner URL element/attribute
 - restrict mailto/magnet/tel schemes for A href
 - allow some data: base64 image types for IMG src

Sanitizer::sanitize():

 - when checking href and src attributes, pass element tagname and attribute to rewrite_relative()

Merge pull request 'Skip all urls with schemes different from base_url in rewrite_relative' (#38) from klempin/tt-rss:fix/mailto into master

Reviewed-on: https://git.tt-rss.org/fox/tt-rss/pulls/38

apply usort workaround for readability-php because its authors were unable to do so for 3 months (https://github.com/andreskrey/readability.php/issues/99)

UrlHelper::rewrite_relative: use base URL path if relative url path is not absolute (experimental)

Currently translated at 100.0% (660 of 660 strings)

Translation: Tiny Tiny RSS/messages
Translate-URL: https://weblate.tt-rss.org/projects/tt-rss/messages/de/

Merge pull request 'Fix:Plugins-share:init.php - site_url is NULL when share article by URL from archived articles' (#35) from kdan/tt-rss:master into master

Reviewed-on: https://git.tt-rss.org/fox/tt-rss/pulls/35