Raid map improvements and some fixes

[p]damage increase for bows[/p]
[p]chests fixed[/p]
[p]wings fixed[/p]
[p]fixed price multiplier for food[/p]
[p]turning off arrow sharpening, I never planned on being able to sharpen arrows on a sharpening wheel, that was a bug.[/p]
[p]sort armors fixed[/p]
[p]slightly rebuilt raids map system[/p]
[p]raid resources now give a random amount instead of a minimum amount[/p]
[p]no requirements for upgrading and building units for raids, but only temporarily, until I add the required buildings[/p]