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

core/includes/common.inc

core/includes/form.inc

core/lib/Drupal/Core/Form/FormInterface.php

core/modules/block/lib/Drupal/block/BlockListController.php

.../modules/field_ui/lib/Drupal/field_ui/DisplayOverview.php

core/modules/field_ui/lib/Drupal/field_ui/FieldOverview.php

core/modules/field_ui/lib/Drupal/field_ui/OverviewBase.php

...odules/node/lib/Drupal/node/Tests/Views/RowPluginTest.php

...test_views/test_views/views.view.test_node_row_plugin.yml

...es/system/lib/Drupal/system/Tests/Form/FormObjectTest.php

core/modules/system/system.module

...modules/form_test/lib/Drupal/form_test/FormTestObject.php

.../modules/user/lib/Drupal/user/Plugin/views/field/Link.php

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

...ules/user/lib/Drupal/user/Plugin/views/field/LinkEdit.php

core/modules/user/lib/Drupal/user/Tests/UserAdminTest.php

core/modules/user/user.admin.inc

core/modules/views/lib/Drupal/views/Analyzer.php

core/modules/views/lib/Drupal/views/Tests/ViewTestBase.php

core/modules/views/lib/Drupal/views/ViewsBundle.php