Basic update, multithreading emplate support, fixed

-Added possibility to add entity form template + components to replace template data
-basic tests for new functionality
-small performance improvement for events
-added ComponentRef structure which contain data pointer and component ID
-now events are called before entities removing

source/bubel/ecs/core.d

@@ -74,6 +74,11 @@ static struct ECS
 	mixin template Component()
 	{
 		__gshared ushort component_id = ushort.max;
+
+		ComponentRef ref_() @nogc nothrow
+		{
+			return ComponentRef(&this,component_id);	
+		}
 	}
 
 	/************************************************************************************************************************