Fixed the annoying error message along with some tweaks!

Fixes:
- Fixed error notification on main menu screen on game launch.

Tweaks:
- Added 2 more magazines for the .50 cal, improving the longevity of deployments possible with the vehicle.
- Added an additional smoke launcher magazine.
- Added Main menu icons.
- Added Small icons displayed in editor list.
- Added Editor thumbnails when hovering over the vehicle in the object list.

Have fun!

Bisign fix.

Cleared foggy windows.

Initial release.