- added support for shell & Python scripts in the
  movie list with SP_* environment variables
- some functionality moved into scripts (cifs file unhide/delete, empty trash)
- optimized and cleaned up movie list loading
- updated rogue file check to cover all new data file extensions
- display "reading directory" text when loading movie file list
- trashcan cleanup now done during specified time
- switched png loader, now the same plugin version works on all
  Enigma2 Dreamboxes (DM500, DM600, DM70xx, DM800x)
- fixed player EOF Enigma2 hang
- added selection chaged event observer support
 (for MovieList Preview plugin and likes)