The aristocratic art of hosting a dinner party becomes a bloody, pustulant battleground in Savage House, a riveting dark comedy so rich it'll make you sick.An ostentatious political commentary on 18th-century English profligacy written and directed by Peter Glanz (Captain America: Brave New World), Savage House presents two households, both alike in dignity, living within one household. However, this is no fairytale of upstairs/downstairs benevo…