Merge branch '8.x' of git.drupal.org:project/drupal into 8.x

core/MAINTAINERS.txt

core/includes/bootstrap.inc

core/includes/common.inc

core/includes/errors.inc

core/includes/file.inc

core/includes/form.inc

core/includes/menu.inc

core/lib/Drupal/Core/Config/DrupalConfig.php

core/lib/Drupal/Core/Database/Connection.php

core/lib/Drupal/Core/Database/Driver/mysql/Connection.php

core/lib/Drupal/Core/Database/Driver/mysql/Schema.php

core/lib/Drupal/Core/Database/Driver/pgsql/Connection.php

core/lib/Drupal/Core/Database/Driver/sqlite/Connection.php

core/lib/Drupal/Core/Database/Statement.php

core/lib/Drupal/Core/Database/StatementInterface.php

core/lib/Drupal/Core/Database/StatementPrefetch.php

core/lib/Drupal/Core/StreamWrapper/LocalStream.php

...b/Drupal/Core/StreamWrapper/PhpStreamWrapperInterface.php

core/lib/Drupal/Core/Utility/CacheArray.php

core/modules/block/block.api.php