Localisation updates from http://translatewiki.net.

Change-Id: I3e09637f04e044e25d3a5463cc1b8dddad9efccf
Localisation updates from https://translatewiki.net.

Change-Id: I9d28d2ef4ba5842501b40800a26e1eb93374b751
Localisation updates from https://translatewiki.net.

Change-Id: I443e15bfcb7734bee5fd3f6da4f851a67b801ada
Localisation updates from https://translatewiki.net.

Change-Id: Ia434aeb6655df62651111cc7603883358fa7b0be
Migrate to JSON i18n

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

Change-Id: Iaa6c3417e53d2ccc493b668e22f2e841de74fdd2