Intercepting exceptions when the host is restarted

--HG--
branch : 1.x

src/Orchard/Environment/DefaultOrchardShell.cs

@@ -42,9 +42,14 @@ namespace Orchard.Environment {
         }
 
         public void Terminate() {
+            try {
                 using (var events = _eventsFactory()) {
                     events.Value.Terminating();
                 }
             }
+            catch {
+                // ignore exceptions while terminating the application
+            }
+        }
     }
 }