Localisation updates from http://translatewiki.net.

Change-Id: If25e11eeeb4608073f77a1784829deb0161c5f17
Localisation updates from http://translatewiki.net.

Change-Id: I89ef1e952b1d69f6e5cc4ffda4f5915665e1a746
Localisation updates from http://translatewiki.net.

Change-Id: Iba31af731059c02b7d5a71a424151eff47178281
Localisation updates from https://translatewiki.net.

Change-Id: I5c3046eeb2d1b8e084454f3960a5ae04ecdf8191
Localisation updates from https://translatewiki.net.

Change-Id: I88ec125d6f9de6d011b863fdc2011b2f817ae9ed
Localisation updates from https://translatewiki.net.

Change-Id: I76ed6ec7bd4f6f31ca150c62a946744da06b9ffc
Localisation updates from https://translatewiki.net.

Change-Id: I30634d2cf50afb59fd57197181d13d2bfe756f71
Localisation updates from https://translatewiki.net.

Change-Id: I8cd4deeb997bfde7b15d7aa7b5ec95e0dfb5fdae
Localisation updates from https://translatewiki.net.

Change-Id: I693a16baac70864b944dce87726a1fbd4acc14c4
Localisation updates from https://translatewiki.net.

Change-Id: Iedeb93bcfa4cd94795f101410fb7709b65ad38f2
Localisation updates from https://translatewiki.net.

Change-Id: I457983cf084abe4b424d74016af507732e094e95
Localisation updates from https://translatewiki.net.

Change-Id: Iaf225fdfe090b6a5dcd5e5483d25eaaaa9ef207c
Localisation updates from https://translatewiki.net.

Change-Id: I3d334d734505dc9a5663ec2e1bbe80115e403dc3
Migrate to JSON i18n

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

Change-Id: I07ac179aa18981b84d0762e5a778b45a6072e516
Fix PHP Undefined notices

Fix several places where a PHP "Undefined variable" or "Undefined index"
notice can be generated.

Change-Id: Ib558ba0d2a16a0ef881e832cb7f697a65fc68568
Version 2.4.1

Change-Id: I886d60b0c339c3befcdff6520f61c7387c208077