Localisation updates from http://translatewiki.net.

Change-Id: Ia14725a91bab616460b0c22e6a2263f40493e353
Localisation updates from https://translatewiki.net.

Change-Id: I158c88c5ab0023bd1c817196cb02fed41b66a118
Localisation updates from https://translatewiki.net.

Change-Id: I9cdbe2119a0ec4554c1149615ee0ba40dc29aff7
Localisation updates from https://translatewiki.net.

Change-Id: If76a2595a40178cf659a5df61a10b9560c2b1e1a
Migrate to JSON i18n

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

Change-Id: I7826785a4cad134e36d80dd6b8445105b8c93d9f