4.3.0-rc2 release

Signed-off-by: Marc Delisle <marc@infomarc.info>
Translated using Weblate (Hungarian)

Currently translated at 79.8% (2377 of 2978 strings)

[CI skip]
Merge remote-tracking branch 'origin/QA_4_3' into QA_4_3
Add missing call to test

Signed-off-by: Michal Čihař <michal@cihar.com>
Adjust testcase to new split methods

Signed-off-by: Michal Čihař <michal@cihar.com>

Conflicts:
	test/classes/plugin/auth/PMA_AuthenticationCookie_test.php
Merge branch 'MAINT_4_3_0' into QA_4_3

Conflicts:
	README
	doc/conf.py
	libraries/Config.class.php
Merge branch 'QA_4_3'