Changes

| [http://www.chromeexperiments.com/detail/liquid-particles/ Liquid Particles]

|| Minefield particle dot redraw may only manage 8/sec

|| Chromium has no delay when rendering particle dot movement. Both have difficulty in letter rendering

| [http://www.chromeexperiments.com/detail/browser-pong/ Browser Pong]

|| Minefield calculates the "ball" window height as twice that of Chromium

||