Updated mediawiki/extensions
Project: mediawiki/extensions/MobileFrontend  4518a672888f71f13bf0abd87861c08a76ea7865

Add clicktracking to table of contents

This will give us an idea if people interact with the table
of contents as all.

Change-Id: Ic1c277428e1aba19bee5fd24fe8c698ff72b8f02