Update check supports HTTPS

If SSL is not supported, a HTTP request will be made. In the log the request type will be indicated, but on the frontend no additional message would be shown (I think it'

Update check supports HTTPS

If SSL is not supported, a HTTP request will be made. In the log the request type will be indicated, but on the frontend no additional message would be shown (I think it's better to notify admins about non-SSL situations, but currently when this fetch encounter error, no error message will be shown, so it's better not to add any warning).

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fixed some style errors found by scrutinizer

removed unused, empty files

some cleanup fpr set_metadata test

added one more test for internal links

just to be sure, we're not breaking something simple here.

parsertests: replaced var keywords and added type hints

Fix p_set_metadata damaging contributors with numeric ID

Add tests for array_replace part of set_metadata

Fix rendering null $language going to GeSHi (fixes #2088)

Fix RSS syntax XSS bug (#2081)

Fix sanitation of $language for code highlighting (fixes #2080)

translation update

Support Web Video Text Tracks Format subtitles

slightly adjusted the icon sizes

This looks a bit better and is closer to the original, even though the
sizes are a bit weird now.

readd significant space

this got lost in a previous update

move type initialization to getter

used index array for menu items

This makes it a little easier to splice new elements into position

fix(config): empty string is valid for numericopt

There was a bug that the empty string was considered to be invalid if
also a max or min value was defined for a config field of type
numericopt.

do not create unecessary references for single use objects

removed old tpl_content_core method

updated composer dependencies

Removed progressbar from searchform

Release preparation

translation update

prevent pages to be shown in trace if you don't have rights to read