Merge branch 'development' into 1257-upgrade-dependencies

build/nginx/configuration/nginx-default-dev.conf

metager/app/Http/Controllers/SettingsController.php

metager/app/Http/Controllers/SuggestionController.php

metager/app/SearchSettings.php

metager/config/metager/metager.php

metager/lang/da/adblocker.php

metager/lang/da/result.php

metager/lang/da/titles.php

metager/lang/de/404.php

metager/lang/de/settings.php

metager/lang/en/result.php

metager/lang/en/results.php

metager/lang/en/settings.php

metager/lang/es/adblocker.php

metager/lang/es/result.php

metager/lang/es/titles.php

metager/lang/fi/adblocker.php

metager/lang/fi/result.php

metager/lang/fi/titles.php

metager/lang/fr/adblocker.php