Updated mediawiki/extensions
Project: mediawiki/extensions/UniversalLanguageSelector  75022431c2121a11f472be62a2e1abdf0c34b4bf

SVG versions of icons

SVG assets added and CSS adjusments made to make use fo SVG for compatible browsers.

Change-Id: Ib04b7bd72b528fc0c8159362f03f2a9828342aa4