1. Added warnings for low fuel, soldiers, and missiles to the army widget.
2. Fixed a bug where it was impossible to select an enemy army for a missile strike.
3. Fixed a bug where automatic missile strikes were not executed.
4. Fixed the formula for how armies take damage. Now it's easier to destroy armies.
5. Fixed a bug where the "Missiles" supply wasn't decreasing for armies.
6. Fixed a bug with deoccupying a region.