update Clustering::determineHotspots, added enclosing bb for hotspots (to be used to
		simplify checking of overlaps b/w nets and hotspots), related update
Clustering::HotspotRegion; minor update comments Clustering::clusterSignalTSVs
update Clustering::clusterSignalTSVs, consider hotspot regions for clustering, related
update Clustering::HotspotRegion; update dbg logging
minor refactoring class Clustering, renamed (hotspot) regions to hotspots, related
dropping of region keyword where not required; related updates
IO::writePowerThermalTSVMaps and ThermalAnalyzer::ThermalMapBin
minor update IO::writePowerThermalTSVMaps, refactored enum FLAGS notation
update Clustering::clusterSignalTSVs, derive TSV islands from clusters and store them;
related updates FloorPlanner::evaluateInterconnects and class Block
update FloorPlanner::evaluateLayout, perform final thermal analysis, update comments
update Clustering::clusterSignalTSVs, consider TSV pitch for proper setup of TSV islands;
related update FloorPlanner::evaluateInterconnects; added related TSV_Group::resetOutline
update FloorPlanner::evaluateAlignments, streamlined with new constructor of
Block::TSV_Group which already encapsulates the scaling of TSV islands; related cleanup,
	dropped not anymore required Block::TSV_Group) constructor
minor update IO::writePowerThermalTSVMaps, update comments, update scale and labels for
TSV-density maps
minor update IO::writeFloorplanGP, scaled down labels for TSV islands
update FloorPlanner::evaluateLayout, re-determine alignment cost (especially TSV count)
	for final run; related updates FloorPlanner::evaluateAlignments and
	FloorPlanner::evaluateInterconnects
minor update FloorPlanner::finalize, added statistics about TSV islands
minor refactoring Block::TSV_Group, renamed to Block::TSV_Island; related updates classes
Block, Clustering, FloorPlanner, IO, and ThermalAnalyzer
update FloorPlanner::finalize, added statistics of hotspot clusters; related refactoring
class Clustering