Update package info

Change-Id: I802bbeb2afa8a634051628d61d4bf40473aed4cf
Update required Validator version

Change-Id: I126f6c6704ca9fc067b6d6a40cc13361cc7894df
Update min Validator version

Change-Id: I00a797b78b1cbc6f17430adb6d0205f5116eef75
1.2.1 release

Change-Id: I5615c91411eabef3b99ba634d3514c70deb15c14
Localisation updates from https://translatewiki.net.

Change-Id: Ie6b1db2451c8f3284b6585eb9b51f600f8cf7912
Localisation updates from https://translatewiki.net.

Change-Id: Ib940f76968420ded8d3a7d9e8f7c61732adfbe8f
Localisation updates from https://translatewiki.net.

Change-Id: I8003156ae0af4f93aa7c38af75472a9a27f2e1f7
Migrate to JSON i18n

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

Change-Id: I85d1a6097e35d7b119dbfa88ac4656522eb0428b