Merge "Correct case of Title::getPrefixedDBkey() calls"

diff --cc includes/Import.php
Simple merge

diff --cc includes/OutputPage.php
Simple merge

diff --cc includes/SkinTemplate.php
Simple merge

diff --cc includes/Title.php
Simple merge

diff --cc includes/actions/HistoryAction.php
Simple merge

diff --cc includes/api/ApiQueryBase.php
Simple merge

diff --cc includes/cache/LinkCache.php
Simple merge

diff --cc includes/logging/LogFormatter.php
Simple merge

diff --cc includes/specials/SpecialFileDuplicateSearch.php
Simple merge

diff --cc includes/specials/SpecialUndelete.php
Simple merge