- fix null pointer while balloon flying

- fixed startup error in scripts log
- fixed hardcoded maximum map size

- added more retextures of balloons (Thx Sauwercraud)

- added Balloon controlled by wind (Thx Sauwercraud for idea and model)

- mapsize is automatically detected - fixes issue when siren not stop due bombers not arrrive on smaller maps
- added config owerride mapsize if automatic detection fails

- added another method to stop siren sound

- added Mi-6 soviet transport helicopter flyby (thx Sajid and Nazgy)
- added pitch to Mi-24 flyby

- fixed null pointer when bomb explode

- added Mi-24 (Thx Sajid Alfa for model and idea)

- fix memory leaks (ref in methods)