App_Data added to .gitignore

Added SetValue to ConfigFileProvider.
Added creating of default config file in ConfigFileProvider.
Added more ConfigFileProvider tests.
Added UI for Settings/System

NzbDrone.Web/Models/SystemSettingsModel.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Web;
+
+namespace NzbDrone.Web.Models
+{
+    public class SystemSettingsModel
+    {
+        [DisplayName("Port")]
+        [Description("Port that NzbDrone runs on")]
+        [Range(1, 65535, ErrorMessage = "Port must be between 1 and 65535")]
+        public int Port { get; set; }
+
+        [DisplayName("Launch Browser")]
+        [Description("Start default webrowser when NzbDrone starts?")]
+        public bool LaunchBrowser { get; set; }
+    }
+}