minor fix FloorPlanner::clusterSignalTSVs, reset hotspot regions for each run
update IO::writePowerThermalTSVMaps, added plotting of hotspot clusters
fix FloorPlanner::evaluateLayout, re-determine hotspot cluster and TSV island for the
finalization run w/ best solution
update FloorPlanner::HotspotRegion, added temperature gradient; related updates
update FloorPlanner::HotspotRegion, added region score; related updates
minor update FloorPlanner::clusterSignalTSVs, update comments and dbg
update FloorPlanner::clusterSignalTSVs, added reset for bin-hotspot associations, update
dbg; related update ThermalAnalyzer::performPowerBlurring
update IO::writePowerThermalTSVMaps, also consider background and undefined hotspot
regions bins for output
update/fix FloorPlanner::clusterSignalTSVs, post-process hotspot regions such that also
regions marked as still growing after blob detection are appropriately evaluated
minor update comment Corblivar.cpp