Version 2.6.4

+ changed Fanart.tv to v3 API (with clientKey)
+ added more artwork scraping dialogs
+ new Excel export template (xml)
+ added $L language renaming option
+ added/improved 3D handling
+ certification bulk edit
+ add season to image chooser title
+ remember last opened directory in the directory/file chooser x fixed BD NFO
x fixed Excel export template
x fixed/improved some tooltips
x improved artwork sorting, better language detection
x fixed MacOS startup; Java detection, executable, …
x fixed SSxEE TvShow parser
x fixed movie exporter filename generation
x ingore folders/files starting with .@
x many code cleanups