DEP update

- Added: compatibility with other maps
- Added: AT camp
- Added: mortar camp
- Added: custom units
- Added: custom unit init
- Added: custom vehicles
- Fixed: crew not re-entering vehicle on location restore
- Changed: IED chance from 50% to 70%
- Changed: enemies per location from 20 to 25
- Changed: enemy spawn positions from 250 to 200
- Changed: AA camps from 30 to 20