Pyro Update

Added fire.
Added material glowing based on temperature.
Added scrolling to UI.
Added scrolling for toolradius.
Added weight loss for warm gases.
Replaced dot color per state with generic alpha loss per heat up.
Replaced Celsius with Kelvin in many places.
Decoupled UI updates from sim updates to allow for high UI update rate.
Slightly increased default sim speed from 24 ticks/s to 30 ticks/s.
Increased thermal conduction of many gases.
Fixed Hydrogen oxidation.
Fixed some literal sim corner cases, one of which crashing the application.
Fixed crash when scrolling down an empty UI Tileset.
Fixed some incorrect material data, namely boil- and meltpoints.
Fixed minor visual lag.
Improved visuals.
Improved code.