Merging PR#156

Added nzbget changes from mr_orange from https://github.com/Prinz23/SickBeard-TVRage/commit/7282846037371279f4f3633d6c35a15eccb28d82

* HTTPS support
* appendurl for NZBGet 9+
* fix for proper/repack dupescore

Additional changes:

* unique Dupekey for TVRage Shows (for TVDB Shows the Dupekey is the same as in mr_orange and midgetspy dev - branch)