[Cin] Suggestion: rendering dialogue

1. Saving render preset saves video file name too, so that reloading a preset the filename one might have just entered gets replaced with a previous one 2. How about a checkbox toggle: Show render in Viewer -it is not always necessary to see the video as it renders 3. render bitrate setting, toggle to make it Mbps, e.g. only need to enter 1.4 instead of 1400000 (and that would save counting the zeros!) Quinton