Skin Update

- Migrated to Gotham Positionig System
- Added Auto Login Button to Profile Settings
- Added "Group By" Selector to Smart Playlists Options
- Added "Mixed" Radio Button to Smart Playlists Options
- Added HI Flag to SUbtutles Search Dialog
- Added Manual Search Button to Subtitle Search Dialog
- Added Tv Show Next Aired Widgtes for Home Screen (must be enabled
under skin settings)
- Added Artist Slideshow Support ( must be enabled uder skin settings)
- Added Video Fullscreen Info for Live TV and Video Files
- Added Exit option to shutdown menu
- Added Update Library Button to Left Menu
- Localization of Strings
- Simplification of Code
- several bug corrections
- a lot of small retouches