Localisation updates from https://translatewiki.net.

Change-Id: Ieb09984652a4bcb2f20e31d3b5856a3a870f5786
Replace usage of SpecialPage::getTitle with getPageTitle

Was deprecated in 1.23, see Icdcf5d5295ef5e7f08b1d403e0c123f78738fd40

Change-Id: Ib4fa305bae0c2642c599a007a37a708cc0be7b53
Convert global function comments to blocks with param types

Change-Id: I78a90becd41e761e44fc524d49b49c354260a4ce
Replace usage of deprecated Title::escapeLocalURL()

Change-Id: I0c9af08da2a5da75a2fbeed0b9285a1472f89cd9
Localisation updates from https://translatewiki.net.

Change-Id: I2f925ec7373ac64273758e8fd595846b66a31a6f
Localisation updates from https://translatewiki.net.

Change-Id: I0cafadc8110e3ec6dac68b0ea505b0b247a4a625
Localisation updates from https://translatewiki.net.

Change-Id: I64ee653ad077f48b053c611281f786adee102a65
Migrate to JSON i18n

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

Change-Id: I70fc2cfae02044d267e6d3f980a67ffc3bd388b0