uploads: replace old upload limits with new upload limits.

app/logical/upload_limit.rb

@@ -11,7 +11,23 @@ class UploadLimit
   end
 
   def limited?
-    used_upload_slots >= upload_slots
+    if user.can_upload_free?
+      false
+    elsif user.created_at > 1.week.ago
+      true
+    else
+      used_upload_slots >= upload_slots
+    end
+  end
+
+  def limit_reason
+    if user.created_at > 1.week.ago
+      "cannot upload during your first week of registration"
+    elsif limited?
+      "have reached your upload limit"
+    else
+      nil
+    end
   end
 
   def used_upload_slots