Merge tag 'v4.0.6' into develop

4.0.6 v4.0.6
Fix for issue #216

https://github.com/SiCKRAGETV/sickrage-issues/issues/216
Merge pull request #1148 from fernandog/patch-2

Fix for issue #216
Added new webproxy per-provider option to allow accessing blocked content from different countries that may have restrictions, this feature is beta.

Performed misc PEP8 code cleanups.

Fixed sickragetv/sickrage-issues#213

Fixed sickragetv/sickrage-issues#217
Merge remote-tracking branch 'origin/develop' into develop
Updated code to added referer header for web proxies
Updated code for get_lan_ip to fix issues with returning local lan ip from network interface.
Fixed sickragetv/sickrage-issues#205 - Getting a proper local lan ip
Added a exception catcher to the verify download function to catch corrupt/null torrent file exceptions.
Fixed traktAPI to properly do GET and POST request methods based on API call
Fixed issue with issue submitter deleting all errors before submitting them all.
Merge branch 'release/4.0.7'