Issue #1443606 by claudiu.cristea: Alt, title, width and height for default images.

core/modules/image/image.install

core/modules/image/image.module

.../image/Plugin/Field/FieldFormatter/ImageFormatterBase.php

...age/lib/Drupal/image/Plugin/Field/FieldType/ImageItem.php

...ge/lib/Drupal/image/Tests/ImageFieldDefaultImagesTest.php

...es/image/lib/Drupal/image/Tests/ImageFieldDisplayTest.php

.../lib/Drupal/system/Tests/Upgrade/ImageUpgradePathTest.php

...rupal/system/Tests/Upgrade/UserPictureUpgradePathTest.php

core/modules/user/user.install

...profiles/standard/config/field.field.node.field_image.yml

...andard/config/field.instance.node.article.field_image.yml