Echoes of the Architects Demo - Update 0.115

[p]Shield module damage reductions now stack with a soft max of 60%[/p]
[p]Integrated new lava sound effects on Forgotten Deterrence[/p]
[p]Integrated new ambience effects on Colossal Heart[/p]
[p]Integrated new queue/unqueue unit sound effects[/p]
[p]Fixed the demo quit panel not always appearing when quitting the game[/p]