Demos update

-added functionality to detect host CPU threads count
-fixed some memory leaks
-now textures free memory corectly
-added support for up to 32 threads

demos/utils/source/ecs_utils/gfx/texture.d

@@ -54,6 +54,8 @@ struct Texture
             data.data = Mallocator.makeArray!ubyte(surf.w*surf.h*surf.format.BytesPerPixel);
             data.data[0..$] = (cast(ubyte*)surf.pixels)[0..data.data.length];
 
+            SDL_FreeSurface(surf);
+
             glGenTextures(1, &data.gl_handle);
             glActiveTexture(GL_TEXTURE0);
             glBindTexture(GL_TEXTURE_2D,data.gl_handle);
@@ -78,11 +80,12 @@ struct Texture
         glBindTexture(GL_TEXTURE_2D, data.gl_handle);
     }
 
-    void destory()
+    void destory() @nogc nothrow
     {
         if(data)
         {
             glDeleteTextures(1, &data.gl_handle);
+            if(data.data)Mallocator.dispose(data.data);
             Mallocator.dispose(data);
             data = null;
         }