Added Auth, startup options to UI

Added caching to ConfigFileProvider,

NzbDrone.Common/StringExtention.cs

@@ -1,4 +1,7 @@
-namespace NzbDrone.Common
+using System;
+using System.Linq;
+
+namespace NzbDrone.Common
 {
     public static class StringExtension
     {
@@ -13,5 +16,10 @@
         {
             return ((object)target).NullSafe().ToString();
         }
+
+        public static string FirstCharToUpper(this string input)
+        {
+            return input.First().ToString().ToUpper() + String.Join("", input.Skip(1));
+        }
     }
 }