New video detection separate from Utils.sh and fix audio to match what Xine_Streamfactory is expecting to see.
a0start_avwizard changed to add new file VideoDetectSetup. Utils.sh changed to remove video detection and install. Created new file VideoDetectSetup. Changed nvidia-install.sh to be 1204 specific, removed all of the backporting required in 1004. Changed audio template files to write values the way Xine_Streamfactory wants to see them. Changed SetupAudioVideo to write those values in the templates.