Fire damage (#2024)

* Moved the uplink creation code to the PresetSuspicion.Start method to ensure uplink created when we give the traitor role
Moved the starting TC balance to cvars

* Added component to handle interaction with Atmospheric system
Added damage from high and cold temperature

* renamed AtmoExposable to AtmosExposed
moved AtmosExposed updates to its own system
refactored TemperatureComponent
renamed fire to heat
added null check for Air
added self-heating and self-cooling to body system

* small refactoring for checking on airless tile in MetabolismComponent

* Added component to handle interaction with Atmospheric system
Added damage from high and cold temperature

* renamed AtmoExposable to AtmosExposed
moved AtmosExposed updates to its own system
refactored TemperatureComponent
renamed fire to heat
added null check for Air
added self-heating and self-cooling to body system

* small refactoring for checking on airless tile in MetabolismComponent

* Removed Pressure property from BarotraumaComponent
Changed CanShiver method to match style of other CanX method in ActionBlockerSystem

* Merged EntityCoordinates and changed components to reflect the change

* Fix typo

* Wrapped string to Loc.GetString
Added CanSweat
Refactored dead state check

Content.Shared/GameObjects/Components/Mobs/SharedStunnableComponent.cs

@@ -260,6 +260,10 @@ namespace Content.Shared.GameObjects.Components.Mobs
 
         public bool CanUnequip() => (!Stunned);
         public bool CanChangeDirection() => true;
+
+        public bool CanShiver() => !Stunned;
+        public bool CanSweat() => true;
+
         #endregion
 
         [ViewVariables]