Update plugin_details.json
Add Big12Sports, ChristianScience and SmugMug bundles.
tracking url for Big12Sports
tracking url for ChristianScience
tracking url for SmugMug
Application to add XBMCnfoMoviesImporter and XBMCnfoTVImporter to
Unsupported Appstore plugin.
tracking url for XBMCnfoMoviesImporter
tracking url for XBMCnfoTVImporter
Add Pref to reset Dict[]

Add a Pref that will reset the Dict file. Fixes issue #12