Updated mediawiki/extensions
Project: mediawiki/extensions/UniversalLanguageSelector  3caac3bedb82436ac406eb36248ffbf9a9405c6e

README cleanups.

 * Renamed licenses/LICENSES to licenses/README
 * Added request-url and fixed other reference in fonts/README

Change-Id: I2f646162ca433b6ec35b77917a1670f9d9111a21