add an auto-generated comment to language yml files

Change-Id: Ib5edd010f8a6268d2ece5857ea6d5eca383c6d6a
Reviewed-on: https://gerrit.instructure.com/39786
Reviewed-by: Jacob Fugal <jacob@instructure.com>
Tested-by: Jenkins <jenkins@instructure.com>
Product-Review: Brian Palmer <brianp@instructure.com>
QA-Review: Brian Palmer <brianp@instructure.com>

config/locales/ar.yml

@@ -1,3 +1,5 @@
+# This YAML file is auto-generated from a Transifex import.
+# Do not edit it by hand, your changes will be overwritten.
 --- 
 ar: 
   EditAppointmentGroupDetails: 

config/locales/de.yml

@@ -1,3 +1,5 @@
+# This YAML file is auto-generated from a Transifex import.
+# Do not edit it by hand, your changes will be overwritten.
 --- 
 de: 
   EditAppointmentGroupDetails: 

config/locales/en-AU.yml

@@ -1,3 +1,5 @@
+# This YAML file is auto-generated from a Transifex import.
+# Do not edit it by hand, your changes will be overwritten.
 --- 
 en-AU: 
   EditAppointmentGroupDetails: 

config/locales/en-GB.yml

@@ -1,3 +1,5 @@
+# This YAML file is auto-generated from a Transifex import.
+# Do not edit it by hand, your changes will be overwritten.
 --- 
 en-GB: 
   EditAppointmentGroupDetails: 

config/locales/es.yml

@@ -1,3 +1,5 @@
+# This YAML file is auto-generated from a Transifex import.
+# Do not edit it by hand, your changes will be overwritten.
 --- 
 es: 
   EditAppointmentGroupDetails: 

config/locales/fa-IR.yml

@@ -1,3 +1,5 @@
+# This YAML file is auto-generated from a Transifex import.
+# Do not edit it by hand, your changes will be overwritten.
 --- 
 fa-IR: 
   EditAppointmentGroupDetails: 

config/locales/fr.yml

@@ -1,3 +1,5 @@
+# This YAML file is auto-generated from a Transifex import.
+# Do not edit it by hand, your changes will be overwritten.
 --- 
 fr: 
   EditAppointmentGroupDetails: 

config/locales/ja.yml

@@ -1,3 +1,5 @@
+# This YAML file is auto-generated from a Transifex import.
+# Do not edit it by hand, your changes will be overwritten.
 --- 
 ja: 
   EditAppointmentGroupDetails: 

config/locales/ko.yml

@@ -1,3 +1,5 @@
+# This YAML file is auto-generated from a Transifex import.
+# Do not edit it by hand, your changes will be overwritten.
 --- 
 ko: 
   EditAppointmentGroupDetails: 

config/locales/nb.yml

@@ -1,3 +1,5 @@
+# This YAML file is auto-generated from a Transifex import.
+# Do not edit it by hand, your changes will be overwritten.
 --- 
 nb: 
   EditAppointmentGroupDetails: 

config/locales/nl.yml

@@ -1,3 +1,5 @@
+# This YAML file is auto-generated from a Transifex import.
+# Do not edit it by hand, your changes will be overwritten.
 --- 
 nl: 
   EditAppointmentGroupDetails: 

config/locales/pl.yml

@@ -1,3 +1,5 @@
+# This YAML file is auto-generated from a Transifex import.
+# Do not edit it by hand, your changes will be overwritten.
 --- 
 pl: 
   EditAppointmentGroupDetails: 

config/locales/pt-BR.yml

@@ -1,3 +1,5 @@
+# This YAML file is auto-generated from a Transifex import.
+# Do not edit it by hand, your changes will be overwritten.
 --- 
 pt-BR: 
   EditAppointmentGroupDetails: 

config/locales/pt.yml

@@ -1,3 +1,5 @@
+# This YAML file is auto-generated from a Transifex import.
+# Do not edit it by hand, your changes will be overwritten.
 --- 
 pt: 
   EditAppointmentGroupDetails: 

config/locales/ru.yml

@@ -1,3 +1,5 @@
+# This YAML file is auto-generated from a Transifex import.
+# Do not edit it by hand, your changes will be overwritten.
 --- 
 ru: 
   EditAppointmentGroupDetails: 

config/locales/tr.yml

@@ -1,3 +1,5 @@
+# This YAML file is auto-generated from a Transifex import.
+# Do not edit it by hand, your changes will be overwritten.
 --- 
 tr: 
   EditAppointmentGroupDetails: 

config/locales/zh.yml

@@ -1,3 +1,5 @@
+# This YAML file is auto-generated from a Transifex import.
+# Do not edit it by hand, your changes will be overwritten.
 --- 
 zh: 
   EditAppointmentGroupDetails: 

gems/i18n_tasks/lib/tasks/i18n.rake

@@ -527,6 +527,10 @@ namespace :i18n do
     raise "got no translations" if complete_translations.nil?
 
     File.open("config/locales/#{import.language}.yml", "w") { |f|
+      f.write <<-HEADER
+# This YAML file is auto-generated from a Transifex import.
+# Do not edit it by hand, your changes will be overwritten.
+HEADER
       f.write({import.language => complete_translations}.ya2yaml(:syck_compatible => true))
     }