Replace deprecated SpecialPage::resolveAlias()

Change-Id: Ib5dda09bb85722f5e9624fd3f716725ac905d6d5
Localisation updates from https://translatewiki.net.

Change-Id: Ia1b3fa526886de1516c62ec3d9cbb4c4e31c793c
Migrate to JSON i18n

Procedure per https://www.mediawiki.org/wiki/Manual:GenerateJsonI18n.php
with shim.

Change-Id: I395a1efd91a24095c58c9f4113ca5d0351bc0ba3
Localisation updates from https://translatewiki.net.

Change-Id: Ie586a4b9b09907ec2531ea4014034aaf9600ac59