TMDB new image server fix

added new TMDB image server" d3gtl9l2a4fn1j.cloudfront.net"
more Frodo compatible, update APIScanner to find new Frodo filenaming

- added <episode>-thumg.jpg
- added seasonXX-fanart.jpg to tv-show folder (not Season Folder)

Info: the APIScanner for existing Files don't work 100% perfect, but
99%.  I will fix this with 1.3.0.9 release.