Added GW_HEADER

Added pre_, post_ and rescue_execute for GW_APPLICATION
Fixed an unknown class in export clause
cosmetic + copyright

library/server/ewsgi/connectors/cgi/src/gw_cgi_connector.e

@@ -24,7 +24,7 @@ feature -- Execution
 		end
 
 note
-	copyright: "Copyright (c) 1984-2011, Eiffel Software and others"
+	copyright: "2011-2011, Eiffel Software and others"
 	license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
 	source: "[
 			Eiffel Software

library/server/ewsgi/connectors/cgi/src/gw_cgi_output_stream.e

@@ -10,6 +10,9 @@ class
 
 inherit
 	GW_OUTPUT_STREAM
+		undefine
+			flush
+		end
 
 	CONSOLE
 		rename