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

core/includes/bootstrap.inc

core/includes/config.inc

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

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

...lib/Drupal/Core/Config/Entity/ConfigStorageController.php

core/lib/Drupal/Core/CoreBundle.php

core/lib/Drupal/Core/DrupalKernel.php

core/lib/Drupal/Core/Plugin/Discovery/CacheDecorator.php

...les/config/lib/Drupal/config/Tests/ConfigOverrideTest.php

...s/config/lib/Drupal/config/Tests/LocaleConfigOverride.php

.../modules/field/tests/modules/field_test/field_test.module

.../modules/simpletest/lib/Drupal/simpletest/WebTestBase.php

...es/user/lib/Drupal/user/Plugin/views/field/LinkCancel.php