Update i18n shim

A performance issue was fixed in the shim(s) generated by
generateJsonI18n.php, so it needed to be updated.

Change-Id: I5dc4fe3c8d3fba263fa578ac05e794760b0efc08
Localisation updates from https://translatewiki.net.

Change-Id: I5b4a0d9affae11f21fa4a55abc09e766f4d6de77
Merge branch 'master' of ssh://mwjames@gerrit.wikimedia.org:29418/mediawiki/extensions/SemanticExtraSpecialProperties.git