Add translation keys

config/locales/en.yml

@@ -64,6 +64,8 @@ en:
         completed_at: Completed At
         number: Number
         email: Customer E-Mail
+      spree/payment:
+        amount: Amount
     errors:
       models:
         spree/user:
@@ -2188,6 +2190,14 @@ See the %{link} to find out more about %{sitename}'s features and to start using
   order_cycles_email_to_producers_notice: 'Emails to be sent to producers have been queued for sending.'
   order_cycles_no_permission_to_coordinate_error: "None of your enterprises have permission to coordinate an order cycle"
   order_cycles_no_permission_to_create_error: "You don't have permission to create an order cycle coordinated by that enterprise"
+  back_to_orders_list: "Back to order list"
+  order_information: "Order Information"
+  date_completed: "Date Completed"
+  amount: "Amount"
+  state_names:
+    ready: Ready
+    pending: Pending
+    shipped: Shipped
   js:
     saving: 'Saving...'
     changes_saved: 'Changes saved.'
@@ -2375,6 +2385,8 @@ See the %{link} to find out more about %{sitename}'s features and to start using
     # TODO: remove 'account_updated' key once we get to Spree 2.0
     account_updated: "Account updated!"
     my_account: "My account"
+    date: "Date"
+    time: "Time"
     admin:
       orders:
         invoice: