Changes:
- [feature] giving starting hero
- [feature] VCMI will try to use files from /Data folder instead of those from h3bitmap.lod
- [feature] picked artifacts are added to hero’s backpack
- [feature] possibility of choosing player to play
- [bugfix] ZELP.TXT file should be handled correctly even it is non-english
- [bugfix] fixed crashbug in reading defs with negativ left/right margins
- [bugfix] improved randomization
- [bugfix] pathfinder can’t be cheated (what caused errors)