Data18 and Data18-Content Adult Agents

Added 2 bundles from the same repo.
Data18.bundle and Data18-Content.bundle

Data18.bundle: metadata agent will grab Movie metadata from data18.com

Data18-Content.bundle: metadata agent will grab Content metadata from data18.com

http://forums.plexapp.com/index.php/topic/66061-adult-data18com-metadata-agent-release/