* Implement search functionality, using POST to get JSON data
* Fix download for most items even for non-free ones.
For now only missing are non-free mp3 files it seems (like 769),
/mediaProxy.php returns 2bytes html crap.
For now it only fetches the speaker video, but each page can have
both a speaker and slides video feed.
TODO: search
Signed-off-by: François Revol <revol@free.fr>
Signed-off-by: Romain Bignon <romain@symlink.me>