Support Spree 1.3.x, add default unauthorized page, and organize locales.

config/locales/en.yml

@@ -1,11 +1,7 @@
 en:
-  digital_versions: Digital Versions
-  reset_downloads: Reset Digital Downloads
-  downloads_reset: Digital Downloads Reset
-  current_file: Current File
-  new_file: New File
-  delete_file: Delete this file
   broken_file: Warning! this file is broken
+  current_file: Current File
+  delete_file: Delete this file
   delete_file_cofirmation: Are you sure you want to delete the file %{filename}?
   digital_delivery: Digital Delivery
   digital_download: Download %{type} ↓
@@ -15,5 +11,14 @@ en:
     mobi: Kindle eBook
     epub: ePub eBook
     pdf: pdf eBook
+  digital_versions: Digital Versions
+  downloads_reset: Digital Downloads Reset
+  new_file: New File
+  reset_downloads: Reset Digital Downloads
+  spree:
+    digitals:
+      unauthorized:
+        explained: This download link has expired.
+        unauthorized: Unauthorized
   spree_digital:
-    upload: Upload
+    upload: Upload

config/locales/it.yml

@@ -1,9 +1,7 @@
 it:
-  digital_versions: Versioni Digitali
-  current_file: File Corrente
-  new_file: Nuovo File
-  delete_file: Elimina questo file
   broken_file: Attenzione! questo file sembra essere rotto
+  current_file: File Corrente
+  delete_file: Elimina questo file
   delete_file_cofirmation: Sei sicuro di voler eliminare il file %{filename}?
   digital_delivery: Consegna Digitale
   digital_download: Download %{type} ↓
@@ -13,6 +11,12 @@ it:
     mobi: Kindle eBook
     epub: ePub eBook
     pdf: pdf eBook
+  digital_versions: Versioni Digitali
+  new_file: Nuovo File
+  spree:
+    digitals:
+      unauthorized:
+        explained: This download link has expired.
+        unauthorized: Unauthorized
   spree_digital:
-    upload: Upload
-
+    upload: Upload

config/locales/ja.yml

@@ -1,12 +1,14 @@
 ja:
-  digital_versions: デジタル版
-
-  current_file: 現在のバージョン
-  new_file: 新しいファイル
-  upload: アップロード
-  delete_file: このファイルを削除
   broken_file: 注意! このファイルが壊れている!
+  current_file: 現在のバージョン
+  delete_file: このファイルを削除
   delete_file_cofirmation: 本当に「%{filename}」を削除しても宜しいですか?
-
   digital_shipping: ダウンロードリンクを<strong>%{email}</strong>に送ります
-
+  digital_versions: デジタル版
+  new_file: 新しいファイル
+  spree:
+    digitals:
+      unauthorized:
+        explained: This download link has expired.
+        unauthorized: Unauthorized
+  upload: アップロード