Merge "Introduce ContentHandler::getSecondaryDataUpdates."

diff --cc RELEASE-NOTES-1.32
Simple merge

diff --cc autoload.php
Simple merge

diff --cc docs/hooks.txt
Simple merge

diff --cc includes/Revision/RenderedRevision.php
Simple merge

diff --cc includes/Storage/DerivedPageDataUpdater.php
Simple merge

diff --cc includes/content/ContentHandler.php
Simple merge

diff --cc includes/page/Article.php
Simple merge