Updated mediawiki/extensions
Project: mediawiki/extensions/WikiLexicalData  5cc2e7fb770097459c29ba979107e821da520dca

Code cleaning
* moved CSS parameters from .php files to tables.css file
* simplified (shortened) class names
* replaced inline html with Html:: class
* WikiDataGlobals does not require other php files

Change-Id: I60065a13eae2de73aeb75882ae661af0b2787cb7