Add the actual logic to fully support multiple epidemics
Ensure fax arrival for epidemic and emergency doesn't interfere with respective events
Cheat to allow toggling of future epidemics mood - disabled by default
Reduced to single epidemic at a time and improved debug messages
Patient now leaves room if they have been sent to the wrong place for current disease - precursor to changing diseases

Conflicts:
	CorsixTH/Lua/rooms/gp.lua
Start of changing diseases
Loosened condition to remove epidemic to avoid empty epidemics
Completed changing disease code for new infections
Experimental changing disease of other patients for infections
Unbound max fine for infected patients
Made inspector its own humanoid class
Inspector moves to front of the queue automatically
Added epidemic and inspector announcement in correct places
Fixed bugs in spawning epidemic patients both with cheats and without
Ensure inspector can only close epidemic timer
Drop vaccination call when epidemic has already finished
Support for multiple vaccinations by nurses
Added scale factor to epidemic spreading
Disallowed vaccinations after timer has ended
Added level config options for rep and evac minimum for determining the result of an epidemic

Conflicts:
	CorsixTH/Lua/base_config.lua