Merge pull request #719 from nextcloud/lockdown

apps/dav/lib/Connector/Sabre/Auth.php

db_structure.xml

lib/composer/composer/autoload_classmap.php

lib/composer/composer/autoload_static.php

lib/private/Authentication/Token/DefaultToken.php

lib/private/Authentication/Token/DefaultTokenMapper.php

lib/private/Authentication/Token/DefaultTokenProvider.php

lib/private/Authentication/Token/IProvider.php

lib/private/Authentication/Token/IToken.php

lib/private/Files/Filesystem.php

lib/private/Lockdown/Filesystem/NullCache.php

lib/private/Lockdown/Filesystem/NullStorage.php

lib/private/Lockdown/LockdownManager.php

lib/private/Server.php

lib/private/User/Session.php

lib/public/Lockdown/ILockdownManager.php

settings/Controller/AuthSettingsController.php

settings/css/settings.css

settings/js/authtoken_view.js

tests/Settings/Controller/AuthSettingsControllerTest.php