PHT fixes:
  - Linux: Fixed ffmpeg related compile problems (Thanks Mark W)
  - Windows: Fix crash on start 
  - Close all filter dialogs when closing the MediaWindow
  - Sort unwatched filter to the top of the list
  - Fix subtitle/audio stream names. Now includes subtitle format and forced flag
  - Removed Subtitle->Charset setting since the server always gives us UTF-8 subs
  - Show left side menu in Queue/Recommends window
  - Add new Universal Plex font to subtitles

 Skin fixes:
  - Fix vertical align position of Home secondary menu
  - Don't show left side menu in Channels.
  - Keep filters list vertical position consistent in all conditions.
