Added WSF_SELF_DOCUMENTED_AGENT_HANDLER and variants for uri, uri_template, starts_with, ...

to provide a way to documentate easily wsf agent handler.

library/server/wsf/router/documentation/wsf_self_documented_handler.e

@@ -1,6 +1,10 @@
 note
-	description: "Summary description for {WSF_SELF_DOCUMENTED_HANDLER}."
-	author: ""
+	description: "[
+					Interface defining a self documented handler
+
+					inherit from this class and define mapping_documentation to generate 
+					auto self documentation on demand.
+				]"
 	date: "$Date$"
 	revision: "$Revision$"