adds restore user action for administrators

config/locales/admin.en.yml

@@ -13,6 +13,7 @@ en:
       debate_topics: Debate topics
       hidden_debates: Hidden debates
       hidden_comments: Hidden comments
+      hidden_users: Hidden users
       organizations: Organizations
       officials: Officials
       stats: Statistics
@@ -54,6 +55,19 @@ en:
         back: Back
       restore:
         success: The debate has been restored
+    users:
+      index:
+        title: Banned users
+        restore: Restore user
+      show:
+        title: "User activity from %{user}"
+        restore: Restore user
+        back: Back
+        email: "Email:"
+        registered_at: "Registered at:"
+        hidden_at: "Hidden at:"
+      restore:
+        success: The user has been restored
     officials:
       level_0: Level 0
       level_1: Level 1