Updated mediawiki/extensions
Project: mediawiki/extensions/googleAnalytics  90e6753cbe8077175b51717fb3a188267253ce78

Try catch to avoid adBlock problems

As per http://mattiasgeniar.be/2008/08/25/_gat-is-not-defined-google-analytics-error/

Change-Id: Icc93448dbb478a22f9079ed4dfb4cd24233a4bdf