Changed throttling to render more predictable, and never (much) later than the specified MIN_RENDER_DELAY; Some other review fixes;
Changed throttling to render more predictable, and never (much) later than the specified MIN_RENDER_DELAY; Some other review fixes;

operasoftware/dragonfly,operasoftware/dragonfly,operasoftware/dragonfly,operasoftware/dragonfly