Added Auth, startup options to UI

Added caching to ConfigFileProvider,

NzbDrone/Host/UrlAclAdapter.cs

@@ -0,0 +1,68 @@
+using System;
+using System.Diagnostics;
+using NLog;
+using NzbDrone.Common;
+using NzbDrone.Core.Configuration;
+
+namespace NzbDrone.Host
+{
+    public interface IUrlAclAdapter
+    {
+        void RefreshRegistration();
+    }
+
+    public class UrlAclAdapter : IUrlAclAdapter
+    {
+        private readonly IProcessProvider _processProvider;
+        private readonly IConfigFileProvider _configFileProvider;
+        private readonly IEnvironmentProvider _environmentProvider;
+        private readonly Logger _logger;
+
+        public UrlAclAdapter(IProcessProvider processProvider, IConfigFileProvider configFileProvider, IEnvironmentProvider environmentProvider, Logger logger)
+        {
+            _processProvider = processProvider;
+            _configFileProvider = configFileProvider;
+            _environmentProvider = environmentProvider;
+            _logger = logger;
+        }
+
+        public void RefreshRegistration()
+        {
+            if (_environmentProvider.GetOsVersion().Major < 6)
+                return;
+
+            RegisterUrl(_configFileProvider.Port);
+        }
+
+
+        private void RegisterUrl(int portNumber)
+        {
+            var arguments = String.Format("http add urlacl http://*:{0}/ user=EVERYONE", portNumber);
+            RunNetsh(arguments);
+        }
+
+        private string RunNetsh(string arguments)
+        {
+            try
+            {
+                var startInfo = new ProcessStartInfo()
+                    {
+                        RedirectStandardOutput = true,
+                        UseShellExecute = false,
+                        FileName = "netsh.exe",
+                        Arguments = arguments
+                    };
+
+                var process = _processProvider.Start(startInfo);
+                process.WaitForExit(5000);
+                return process.StandardOutput.ReadToEnd();
+            }
+            catch (Exception ex)
+            {
+                _logger.WarnException("Error executing netsh with arguments: " + arguments, ex);
+            }
+
+            return null;
+        }
+    }
+}