[Feature] New Fanart view

- completely redesigned Fanart view (id=98245) for episodes -- special thanks to Konrad for the overlay picture :)
--> option to either enable ClearArt or ClearLogo in the sidebar
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- removed "Global Search" Addon from the Sidebar inside the video library
- prevent "TV Show Next Aired" and "TV Tunes" from being loaded when entering the video library
- [Bugfix] remove flickering window title on "Recently Added Episodes" Fanart view
- todo: [Bugfix] remove flickering clock from the Fanart view
- todo: rename skin setting view.fanart.poster --> view is called landscape thumbs (MenuLibrary.xml)