Demo update #15

[p]Update[/p]

[p]Item highlighting on the map[/p]
[p]Clearer UI tooltip text[/p]
[p]Hunger decreases more slowly for settlers[/p]
[p]More detailed descriptions of enemy units[/p]
[p]More detailed descriptions of upgradeable skills[/p]
[p]New animal: fox[/p]
[p]Skill point acquisition system[/p]
[p]New skill: sewing[/p]
[p]Ambient music added to the main menu[/p]
[p]Ambient volume setting added[/p]