additional fix for Vivien's trade inventory

various small fixes by N1kX

added Czech version (thanks F0rtuno!)

fixed disappearing trade inventories (thanks fire_mage!)

- added German version (thanks Roland54 and neocromicon!);
- fixed some missing speech files in russian version.

removed some junk files

added Italian version (thanks Andre!)

fixed interface scale for quest log (thanks Gratt!)

fixed interface scale (thanks Gratt!)

fixed some missing textures and models