Localisation updates from https://translatewiki.net.

Change-Id: I2cce84941b1f7291b85439f0f4f027ed730a86b7
Add special page aliases

Change-Id: Ifa6e87206612bd4d88c5fac96c2acd19271839df
Localisation updates from https://translatewiki.net.

Change-Id: I0ef4324b92e212568ff9a4f63bd329dae9dab7ce
Localisation updates from https://translatewiki.net.

Change-Id: Ic422102df2432c9e9efbdb76d7a92e70c04926cf
Localisation updates from https://translatewiki.net.

Change-Id: Ie4e7d13adc5aae72f7dce7a0ca0e5300b75a76ba
Migrate to JSON i18n

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

Change-Id: I93d84d2099cc392837e4494c1533b3c54fb12b0d