Added WSF_ROUTER.has_item_associated_with_resource and item_associated_with_resource

Added WSF_ROUTER_MAPPING.associated_resource
Added WSF_ROUTER_SELF_DOCUMENTATION_HANDLER and WSF_ROUTER_SELF_DOCUMENTATION_MESSAGE to provide a self documentation for WSF_ROUTER (for now, only HTML)

library/server/wsf/router/support/starts_with/wsf_starts_with_mapping.e

@@ -23,10 +23,20 @@ feature {NONE} -- Initialization
 
 feature -- Access
 
+	associated_resource: READABLE_STRING_8
+			-- Associated resource
+		do
+			Result := uri
+		end
+
 	handler: WSF_STARTS_WITH_HANDLER
 
 	uri: READABLE_STRING_8
 
+feature -- Documentation
+
+	documentation: STRING_32 = "Starts-With-URI"
+
 feature -- Status
 
 	routed_handler (req: WSF_REQUEST; res: WSF_RESPONSE; a_router: WSF_ROUTER): detachable WSF_HANDLER