message: Add research tracker to MapViewState
diff: #include "../PopulationPool.h"
  #include "../Population/Population.h"
  +#include "../Technology/ResearchTracker.h"
  #include "../Technology/TechnologyCatalog.h"
  #include "../Things/Robots/Robot.h"
  @@ -282,6 +283,7 @@ private:
  CrimeRateUpdate mCrimeRateUpdate;
  CrimeExecution mCrimeExecution;
  + ResearchTracker mResearchTracker;
  TechnologyCatalog mTechnologyReader;
  Planet::Attributes mPlanetAttributes;
  