message: Inline populationAvailable into availableWorkers and availableScientists
diff: @@ -24,13 +24,13 @@ void PopulationPool::population(Population* pop)
  int PopulationPool::availableWorkers()
  {
  - return populationAvailable(PopulationTable::Role::Worker);
  + return mPopulation->size(PopulationTable::Role::Worker) - workersEmployed();
  }
  int PopulationPool::availableScientists()
  {
  - return populationAvailable(PopulationTable::Role::Scientist);
  + return mPopulation->size(PopulationTable::Role::Scientist) - scientistsEmployed();
  }
  