Few fixes

[p]fixed Grey warrior damage.[/p]
[p]I added a function that should no longer add empty items to new chests[/p]
[p]Blacksmithing and Lockpicking skills take the appropriate amount of learning points when spending points[/p]
[p]fixed gaining bounty after successful extorting travelling merchant.[/p]
[p]the maximum experience required for the next level is 10,000, previously it was 15,000 and I forgot to change this information in "tips"[/p]
[p]the bartender's faction has been changed, he will no longer be aggressive if there is a bounty on our head[/p]
[p]Raid unit upgrades have been fixed[/p]
[p]books in "old iron maine" have been replaced with recipes[/p]
[p]updated Polish translation[/p]