Audio Switcher: Exhibit all audio tracks available.

The "Play > Audio" menu now includes all the embedded tracks exhibited by the source filter and the external tracks.
Enable WMA decoding with internal LAV Audio Decoder in low merit mode.

The internal LAV Audio Decoder isn't registered to handle the WMA format since the system decoder is preferred. However if for some reasons no other decoder is available we can let LAV Audio Decoder handle WMA as a low-merit decoder.
Updated French translation.
WebServer: switch to html5 and use html5shiv for pre IE 9 browsers.
use font-size:0 for #seekbar td to fix a visibly white line showing below the seekbar
add normalize.css trimmed down to our needs
use Arial font and remove the inherited font from #menu td and #statusbar td
player.html is valid html5 except for the seekbarchleft and seekbarchright whose width is set via js
use pre for the debug section
browser.html is valid html5
web/info.html: document where the mpchc_np id is used
tweak statusbar and menu td
rename classes
Move meta charset first in head.