Merge branch 'master'
Removed class from MovieScraper

Belongs to #3
Changed method name
Made MovieScraper importable
Made TvScraper importable
Fixed entry point of MovieScraper
Removed specific attribute from method call

since it won't work with the cached decorator
Fixed import
Fixed GetOpt error message
Implemented first version of a scraper service

Belongs to #2
Depends on SqlAlchemy
Fixed aspect ratio for NFO
Fixed log message for the deletion of audiotracks
Removed Cached decorator from Codec since video files can change while scraping
Fixed bug when no show is found
Removed obsolete import
Renamed method
Fixed bug when video is shorter than 60seconds
Improved Audio Codec detection
Removed DateAdded xml tag from NFO
Improved Video Codec detection