use error template for 410 Gone statuses too
diff --git a/Allura/allura/config/app_cfg.py b/Allura/allura/config/app_cfg.py
index 54b72eb..5c0a367 100644
--- a/Allura/allura/config/app_cfg.py
+++ b/Allura/allura/config/app_cfg.py
@@ -61,7 +61,7 @@
         self.use_sqlalchemy = False
         self.use_toscawidgets = False
         self.use_transaction_manager = False
-        self.handle_status_codes = [403, 404]
+        self.handle_status_codes = [403, 404, 410]
         self.disable_request_extensions = True
 
         # if left to True (default) would use crank.util.default_path_translator to convert all URL punctuation to "_"