Added:  Implement Metadata scraping support for DVD/BLURAY .ISO/RAR images using MediaInfo-Rar

- Using source from lundman:  http://www.lundman.net/wiki/index.php/Mediainfo-rar
Merge pull request #41 from Cocotus/master

 Added:  Implement Metadata scraping support for DVD/BLURAY .ISO/RAR ima...