Localisation updates from http://translatewiki.net.

Change-Id: I422a4006bb166109924d20f5cc2c1b03935eaffe
Don't use $wgTitle when we've got a good one on hand

Change-Id: I758f9fee1eecf7701a4618404484095b447fd1fd
Localisation updates from https://translatewiki.net.

Change-Id: I9d71c75ecb4abe60700db65361c36affbe9db2b4
Localisation updates from https://translatewiki.net.

Change-Id: Id6885214abf06f42f6387489bdfcd5592a70a856
Localisation updates from https://translatewiki.net.

Change-Id: I7d14317e85870a5baaca2a9f032470a0e02bd173
Migrate to JSON i18n

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

Change-Id: Ib3c6a48e827787ed0e93e321713112954d927ab9