- Merged FActorInfo::FindStateExact and FActorInfo::FindState into one function

because the differences are only minimal.
- Removed all the varargs FindState functions because they aren't really needed.
  The engine itself never explicitly checks for more than 2 labels and for the 
  rest a function that gets passed a FName array is more suitable anyway.


SVN r414 (trunk)

src/d_dehacked.cpp

@@ -2499,7 +2499,7 @@ static bool LoadDehSupp ()
 							StateMap[i].State = def->SpawnState;
 							break;
 						case DeathState:
-							StateMap[i].State = type->ActorInfo->FindStateExact(1, NAME_Death);
+							StateMap[i].State = type->ActorInfo->FindState(NAME_Death);
 							break;
 						}
 						StateMap[i].StateSpan = supp[6+i*4+3];