Update to Drupal 8.1.5. For more information, see https://www.drupal.org/project/drupal/releases/8.1.5

core/modules/config_translation/migration_templates/d6_i18n_system_maintenance.yml

@@ -0,0 +1,14 @@
+id: d6_i18n_system_maintenance
+label: Maintenance page configuration
+migration_tags:
+  - Drupal 6
+source:
+  plugin: i18n_variable
+  variables:
+    - site_offline_message
+process:
+  langcode: language
+  message: site_offline_message
+destination:
+  plugin: config
+  config_name: system.maintenance

core/modules/config_translation/migration_templates/d6_i18n_system_site.yml

@@ -0,0 +1,38 @@
+id: d6_i18n_system_site
+label: Site configuration
+migration_tags:
+  - Drupal 6
+source:
+  plugin: i18n_variable
+  constants:
+    slash: '/'
+  variables:
+    - site_name
+    - site_mail
+    - site_slogan
+    - site_frontpage
+    - site_403
+    - site_404
+process:
+  langcode: language
+  name: site_name
+  mail: site_mail
+  slogan: site_slogan
+  'page/front':
+    plugin: concat
+    source:
+      - constants/slash
+      - site_frontpage
+  'page/403':
+    plugin: concat
+    source:
+      - constants/slash
+      - site_403
+  'page/404':
+    plugin: concat
+    source:
+      - constants/slash
+      - site_404
+destination:
+  plugin: config
+  config_name: system.site

core/modules/config_translation/migration_templates/d6_i18n_user_mail.yml

@@ -0,0 +1,68 @@
+id: d6_i18n_user_mail
+label: User mail configuration
+migration_tags:
+  - Drupal 6
+source:
+  plugin: i18n_variable
+  variables:
+    - user_mail_status_activated_subject
+    - user_mail_status_activated_body
+    - user_mail_password_reset_subject
+    - user_mail_password_reset_body
+    - user_mail_status_deleted_subject
+    - user_mail_status_deleted_body
+    - user_mail_register_admin_created_subject
+    - user_mail_register_admin_created_body
+    - user_mail_register_no_approval_required_subject
+    - user_mail_register_no_approval_required_body
+    - user_mail_register_pending_approval_subject
+    - user_mail_register_pending_approval_body
+    - user_mail_status_blocked_subject
+    - user_mail_status_blocked_body
+process:
+  langcode: language
+  'status_activated/subject':
+    plugin: convert_tokens
+    source: user_mail_status_activated_subject
+  'status_activated/body':
+    plugin: convert_tokens
+    source: user_mail_status_activated_body
+  'password_reset/subject':
+    plugin: convert_tokens
+    source: user_mail_password_reset_subject
+  'password_reset/body':
+    plugin: convert_tokens
+    source: user_mail_password_reset_body
+  'cancel_confirm/subject':
+    plugin: convert_tokens
+    source: user_mail_status_deleted_subject
+  'cancel_confirm/body':
+    plugin: convert_tokens
+    source: user_mail_status_deleted_body
+  'register_admin_created/subject':
+    plugin: convert_tokens
+    source: user_mail_register_admin_created_subject
+  'register_admin_created/body':
+    plugin: convert_tokens
+    source: user_mail_register_admin_created_body
+  'register_no_approval_required/subject':
+    plugin: convert_tokens
+    source: user_mail_register_no_approval_required_subject
+  'register_no_approval_required/body':
+    plugin: convert_tokens
+    source: user_mail_register_no_approval_required_body
+  'register_pending_approval/subject':
+    plugin: convert_tokens
+    source: user_mail_register_pending_approval_subject
+  'register_pending_approval/body':
+    plugin: convert_tokens
+    source: user_mail_register_pending_approval_body
+  'status_blocked/subject':
+    plugin: convert_tokens
+    source: user_mail_status_blocked_subject
+  'status_blocked/body':
+    plugin: convert_tokens
+    source: user_mail_status_blocked_body
+destination:
+  plugin: config
+  config_name: user.mail

core/modules/config_translation/migration_templates/d6_i18n_user_settings.yml

@@ -0,0 +1,29 @@
+id: d6_i18n_user_settings
+label: User configuration
+migration_tags:
+  - Drupal 6
+source:
+  plugin: i18n_variable
+  variables:
+    - user_mail_status_blocked_notify
+    - user_mail_status_activated_notify
+    - user_email_verification
+    - user_register
+    - anonymous
+process:
+  langcode: language
+  'notify/status_blocked': user_mail_status_blocked_notify
+  'notify/status_activated': user_mail_status_activated_notify
+  verify_mail: user_email_verification
+  register:
+    plugin: static_map
+    source: user_register
+    default_value: visitors_admin_approval
+    map:
+      2: visitors_admin_approval
+      1: visitors
+      0: admin_only
+  anonymous: anonymous
+destination:
+  plugin: config
+  config_name: user.settings