Merge "Only new vertical format login and signup forms"

diff --cc RELEASE-NOTES-1.22
Simple merge

diff --cc includes/AutoLoader.php
Simple merge

diff --cc includes/DefaultSettings.php
Simple merge

diff --cc languages/messages/MessagesEn.php
Simple merge

diff --cc languages/messages/MessagesQqq.php
Simple merge

diff --cc maintenance/language/messages.inc
Simple merge

diff --cc resources/Resources.php
Simple merge