-updated wasm build scripts

-multitheaded wasm tests
-updated dub.json
-fixed thread pool assert issue
-added windows libraries
-added demos:
 *launcher
 *simple
 *snake
 *space invaders (WIP)
 *statistics window
 *changable gui styles
 *tips window
 *profile window
 *demo window with automatic generation
 *multithreaded job updater

demos/dub.json

@@ -22,7 +22,7 @@
 			"targetType" : "executable",
 			"subConfigurations": 
 			{
-				"ecs":"library"		
+				"ecs_utils":"default"		
 			}
 		},
 		{
@@ -33,9 +33,7 @@
 			],
 			"subConfigurations": 
 			{
-				"bindbc-sdl":"staticBC",
-				"ecs_utils":"betterC",
-				"ecs":"library-betterC"		
+				"ecs_utils":"betterC"
 			}
 		}
 	]