backward compatibility for old authtype settings
avoid creating an intermediate crop image when the final image will match a resize
add a token to fetch urls requiring image resize/crop to prevent external DDOS via fetch
refactor fetch to support unittesting
code changes in the rest of the code base to support testing fetch
extend TestRequest class to test fetch & detail; add a test to check it does
update TestResponse class to return specific headers & status codes (with tests)
add test for fetch using image tokens
add some dependency checks with test skips to fetch tests and tests which use TestResponse::headers
don't resize images when resize dimensions match native image dimensions
Add missing jQuery-UI image and update update script

For just one image another syntax was used, this fixes the update script
to also fetch this image.
de/de-informal: language updates for the core, authldap, authmysql, authpgsql
de/de-informal: config plugin - Clean up the TOC in the configuration page / No need to add "Konfiguration" or "Plugin" to every element if the heading tells you that.
install.php: Added pack() to required DokuWiki PHP functions (FS#2761)
add capability to restrict recipients of dokuwiki 'msg' alerts.  This is useful where message is added to the queue before authentication is initialized
restrict 'authtype deprecated' alert to superusers only
for completeness (& defensive coding), test ['show'] against MSG_PUBLIC in case its redefined to a non-zero value
fixed info/error messages in RTL languages
Korean language update
Chinese language update