Destroyed ships shouldnt trigger happiness changes (#214)

* Destroyed ships shouldn't trigger happiness changes

* Different non-crashy way to determine that a vehicle is destroyed

FrEee/Game/Objects/Space/Galaxy.cs

@@ -1188,7 +1188,7 @@ public static IEnumerable<Empire> ProcessTurn(bool safeMode, Status status = nul
  Current.FindSpaceObjects<ICombatSpaceObject>().SafeForeach(o => o.ReplenishShields());
 
  // modify colony anger
- foreach (var ship in Current.FindSpaceObjects<SpaceVehicle>().Where(x => x is Ship || x is Base))
+ foreach (var ship in Current.FindSpaceObjects<MajorSpaceVehicle>().Where(x => !x.IsDestroyed))
  {
  foreach (var emp in Current.Empires.Where(e => e.CanSee(ship)))
  {
@@ -2083,4 +2083,4 @@ private void SpaceObjectCleanup()
  public GameSetup GameSetup { get; set; }
  */
  }
-}
+}

FrEee/Game/Objects/Vehicles/Vehicle.cs

@@ -228,9 +228,9 @@ public IEnumerable<Ability> IntrinsicAbilities
 
  /// <summary>
  /// Is this vehicle destroyed?
- /// Vehicles are destroyed when all internal (non-armor) components are destroyed.
+ /// Vehicles are destroyed when all internal (non-armor) components are destroyed, or when they are disposed.
  /// </summary>
- public bool IsDestroyed { get { return Components.Where(q => !q.HasAbility("Armor")).All(c => c.IsDestroyed); } }
+ public bool IsDestroyed { get { return IsDisposed || Components.All(c => c.IsDestroyed || c.HasAbility("Armor")); } }
 
  public bool IsDisposed { get; set; }