sync thank-you translations

Change-Id: I6c69196aa5e0e42aa1a0351a46c9a96c14c17237
Override Twig security to not whitelist property access

DEPLOYMENT: We must require vendor/autoload.php earlier,
from settings.php, now that we're introducing dependencies
in top-level scope.

Change-Id: I5fe17a4cfd2013478c0cb17de4795844af358bb0
Merge "Override Twig security to not whitelist property access"
Merge remote-tracking branch 'origin/master' into HEAD

abec446723828b481ae75c180d91f63418a32b16 sync thank-you translations
378c22b51daf58033829136f1d5478ceb77bb9b6 Override Twig security to not whitelist property access

Change-Id: I095486d5ae93c1e0d85b18711bec3069ece5c7a8