Localisation updates from https://translatewiki.net.

Change-Id: I9796dd94cd63255289b444c1ac212aeed562d4bb
New version: 0.7.6

Change-Id: Idd40c938bcae0ca3420b2d038a4847d611882252
Localisation updates from https://translatewiki.net.

Change-Id: Ic5bd6861b7cd01dcd6b89afad5f58752cdf571b5
Localisation updates from https://translatewiki.net.

Change-Id: Ice1606a440dc010a25870be51a1c4629837d744d
Localisation updates from https://translatewiki.net.

Change-Id: I23807f9d29627a2ef914afbed0bcaacc324cf297
Localisation updates from https://translatewiki.net.

Change-Id: I5c83f2d51af96626fc0d09566e52aef77e39c77e
Migrate to JSON i18n

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

Change-Id: I9bab617801193f12798920a4152d3acd6813a8c7