Added missing attachment points to the Zergling, Mutalisk, and Kerrigan models, so that spell/weapon effects appear on them. Imported assets for the score screen and cursor from Project Revolution.
It will retain the amount of gold of the mine it's built over, and the gold mine under it will also have the correct amount when the Extractor is destroyed. Fixed Drones stopping harvesting if a Lair or Hive upgrade finished while they were en route to return gold to it. It is still recommended to keep them off though, as some tooltips may not match up with their hotkey if Custom Keys are enabled.
Fixed Drones being unable to build if Custom Keys were enabled.
