Fix minor XHTML validation errors. Add prefix to classes to prevent numeric only classes.
#644130: Unexpected or even wrong scaling of videos - by Pisco - changed how scaling of videos work to be more consistent, introduce control_bar_height for codecs and the ratio parameter for users. This is the main reason for the beta release. Needs testing.
#581370: Use CSS selectors - by blackdog - adds CSS classes to the object element. Removes hard coded alignment attributes. Moves video_filter.css to the module root, and adds classes for alignment. D6 only.