Provide a way to shutdown the standalone connector (for instance when profiling).

examples/simple/application_execution.e

@@ -34,6 +34,9 @@ feature -- Basic operations
 				response.header.put_connection_keep_alive
 			end
 			response.put_string (s)
+			if attached request.string_item ("exit") as s_exit and then s_exit.is_case_insensitive_equal_general ("now") then
+				(create {EXCEPTIONS}).die (-1)
+			end
 		end
 
 end