first version of interface
First version of interface
It displays the info Monica said.
Things to be added:
1.Comments
2.User see a table summary, but when he wants to see an other table, 
new table info are not refreshed -- I will fix this by Friday, I will
ask a forum...
3. Maybe we can add more orders in the order.txt file to test it if
displays discount well
added some functions, GUI needs them
order - discount
restaurant - export
demo - export
order - discount2
order - discount3
order and restaurant final
ok, now user can see info for each one table without re entering gui
final interface, rounded double values
new menu items
new orders
new button on interface
report printed by interface
comments...
fixed format of totalcost in report export
exit button
exit button