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.Common/Http/HttpRequest.cs

@@ -16,7 +16,7 @@ namespace NzbDrone.Common.Http
             Headers = new HttpHeader();
             AllowAutoRedirect = true;
             Cookies = new Dictionary<string, string>();
-
+            
             if (!RuntimeInfoBase.IsProduction)
             {
                 AllowAutoRedirect = false;
@@ -41,6 +41,7 @@ namespace NzbDrone.Common.Http
         public bool StoreResponseCookie { get; set; }
         public TimeSpan RequestTimeout { get; set; }
         public TimeSpan RateLimit { get; set; }
+        public HttpRequestProxySettings Proxy {get; set;}
 
         public override string ToString()
         {