-- reorg directories into real www/media
-- reformat time in table as mm:ss
++ reorg directories www/media into mirror of media from root of checkout
++ slide capture [s] in mplayer
++ reformat time in table as mm:ss
++ move to GraphicsMagick (supports multi-core)
++ display pictures (slides) while editing
++ calculate exact pre-roll timeout for OSD
++ jump to correct position in subtitles.srt.yaml on F12
+- render subtitles with slide mark [42] in html
+- convert all media/*/www to mirror www.sh script
- render carousel slides as png
-- move to ImageMagick because it can also display pictures (slides)
+- fork new process for HTML::Slide which then can have real SDL event loop