Update for deprecation of selectFields() methods

Authored by Anomie on Thu, Oct 12, 7:44 PM.

Description

Update for deprecation of selectFields() methods

Various selectFields() methods were deprecated in MediaWiki core change
Idcfd1556. This change adapts the extension to use the replacement
getQueryInfo() methods when available.

Change-Id: I7b05a99e23da296a673eb0bd34f18344618c8be3

Details