Localisation updates from https://translatewiki.net.

Change-Id: If5567b7dbd38ef455671302f5830197643692d68
Localisation updates from https://translatewiki.net.

Change-Id: Ife0abdd56b1fa77ba44411805baeb31cf6cdaf66
Localisation updates from https://translatewiki.net.

Change-Id: Idfdf889adf8da9ca4868b37dd11064b685c823d5
Localisation updates from https://translatewiki.net.

Change-Id: Ic657e7fd63e0240ae18e662907c91c7e0fae3084
Migrate to JSON i18n

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

Change-Id: I68bc14d3d4c253ddc37bbd820aca799a36d66567