Proxy Support for Sonarr #732

Switch to use Port #0 which just uses the next free port
Non Functional - Code Cleanup
Tabs -> Spaces,
Opps Deleted too much
Refactoring & Code Cleanup & Move Config to DB
remove unneeded line
Clean Up Spaces
Code Review Points on the UI
FIx extra space
Clean Up unrequired changes
Add a HealthCheck.
Extra Check in ProxyCheck. Correctly deal with Socks Authentication
Remove SubModule
Add in Nuget + Tweak ProxyCheck
Code Review Points
Missed Review Point
Add Subnet Filtering, Add ProxyBypass for local addresses. UI updated for property changes.
Fix typo, and copy&paste error
Tweak URL to hit

src/NzbDrone.Core/Configuration/IConfigService.cs

@@ -1,6 +1,8 @@
 using System;
 using System.Collections.Generic;
 using NzbDrone.Core.MediaFiles;
+using NzbDrone.Core.Http;
+using NzbDrone.Common.Http;
 
 namespace NzbDrone.Core.Configuration
 {
@@ -64,5 +66,15 @@ namespace NzbDrone.Core.Configuration
         string HmacPassphrase { get; }
         string RijndaelSalt { get; }
         string HmacSalt { get; }
+
+        //Proxy
+        bool ProxyEnabled { get; }
+        ProxyType ProxyType { get; }
+        string ProxyHostname { get; }
+        int ProxyPort { get; }
+        string ProxyUsername { get; }
+        string ProxyPassword { get; }
+        string ProxySubnetFilter { get; }
+        bool ProxyBypassLocalAddresses { get; }
     }
 }