Updated code, get rid of obsolete feature calls in libraries and examples

examples/rest/restbucks_CRUD/src/database/restbucks_api.e

@@ -87,7 +87,7 @@ feature -- Access: order status
 		end
 
 	Order_states : ARRAY [STRING]
-			-- List of valid status states
+			-- List of valid status states.
 		once
 			Result := <<
 							status_unset,

examples/rest/restbucks_CRUD/src/domain/order_item_validation.e

@@ -27,7 +27,7 @@ feature -- Access
 		end
 
 	Milk_types: ARRAY [STRING]
-			-- List of valid Milk types
+			-- List of valid Milk types.
 		once
 			Result := <<"skim", "semi", "whole">>
 		end

examples/rest/restbucks_CRUD/src/resource/order_handler.e

@@ -334,7 +334,6 @@ feature {NONE} -- Conversion
 
 	order_to_json (obj: ORDER): JSON_OBJECT
 		local
-			j_order: JSON_OBJECT
 			j_item: JSON_OBJECT
 			ja: JSON_ARRAY
 		do