Added flag on some timers so we are sure they are killed on map change.
Added stop event on health regeneration timer when applying classes, if the class has no regeneration.
Cvar zr_classes_default_admin is now replaced by admin-only classes. Old cvar is zr_classes_default_admin_mode.
Started writing docs about volumetric features.
Improved manual style, lined up tables.
Added missing attributes in anticamp conversion functions.
Fixed anticamp not extinguishing players who leave a volume that ignite players.
