update class ThermalAnalyzer, extended thermal map w/ structure ThermalMapBin; related
updates
added ThermalAnalyzer::initThermalMap, used to init thermal map w/ ThermalMapBin 2D array,
      and to determine neigbor relations in 2D array; related update/fix
      ThermalAnalyzer::performPowerBlurring; related update
      FloorPlanner::initThermalAnalyzer
major update FloorPlanner::clusterSignalTSVs; related updates/fixes