Updated mediawiki/extensions
Project: mediawiki/extensions/BookManagerv2  052679108d7da6192e90fb936a5c6404320b177b

Bug 53289: Use more descriptive titles for prev/next links in navbar.

The previous/next links in the navbar only gave the title of the
page to which they were linking; now they prefix the title with
"Previous section:"

Bug: 53289
Change-Id: I62ec1a3a5ebee71c5b7a14fe9e2833eacf58c749