Sanity check the bitrate from PMS.
Show HD branding for direct play content as well.

Thanks unisonruss and Lane03!
Set video details more consistently.

Among other things, this fixes the HD branding not showing up on grid screens.
Don't direct play videos with multiple video streams, fixes #191.

Including chapter thumbnail streams, which PMS now includes in the XML.
Show the subtitle format in addition to language.

Also, only show the * for subtitles that will be rendered as soft subs, not
all SRTs.