v.10 Changes (not compatible with previous saved games)

Bugfix: Occupied, original capitals cannot be destroyed by Plague.
Bugfix: Units garrisoned in plagued cities will become diseased.
Bugfix: Plague status now properly reported in City View screen.
Bugfix: Empire Health affected by unhappiness now properly reported in Top Panel.
Addition: Health yield support for Belief_FeatureYieldChanges, Belief_BuildingClassYieldChanges
Addition: Healing Vapors (Pantheon): +1 Health from unworked Marsh and Flood Plains tiles
Addition: Animal Sacrifice (Follower): Temples provide +1 Health
Removed: Gurdwaras