Added nzbget changes from mr_orange:

* HTTPS support
* appendurl for NZBGet 9+
* fix for proper/repack dupescore

Additional changes:
* Dupekey change for TVRage (for TVDB is the same as in mr_orange and midgetspy dev - branch)
Changing repo name to SickRage
Updated incorrectly changed reference to Synology DS issue back to original
Merge branch 'nzbget_update_echo' of https://github.com/Prinz23/SickBeard-TVRage into dev-merge_pr156
Merge pull request #384 from WebSpider/dev-namechange

Changing repo name to SickRage
Merge branch 'dev' of github.com:echel0n/SickRage into dev