Calendar/Date localization

New: Choose calendar starting day of week
New: Choose prefered date/time formats
New: Option to disable relative dates and show absolute dates instead

src/NzbDrone.Api/Config/UiConfigModule.cs

@@ -0,0 +1,45 @@
+using System.Linq;
+using System.Reflection;
+using NzbDrone.Core.Configuration;
+using Omu.ValueInjecter;
+
+namespace NzbDrone.Api.Config
+{
+    public class UiConfigModule : NzbDroneRestModule<UiConfigResource>
+    {
+        private readonly IConfigService _configService;
+
+        public UiConfigModule(IConfigService configService)
+            : base("/config/ui")
+        {
+            _configService = configService;
+
+            GetResourceSingle = GetUiConfig;
+            GetResourceById = GetUiConfig;
+            UpdateResource = SaveUiConfig;
+        }
+
+        private UiConfigResource GetUiConfig()
+        {
+            var resource = new UiConfigResource();
+            resource.InjectFrom(_configService);
+            resource.Id = 1;
+
+            return resource;
+        }
+
+        private UiConfigResource GetUiConfig(int id)
+        {
+            return GetUiConfig();
+        }
+
+        private void SaveUiConfig(UiConfigResource resource)
+        {
+            var dictionary = resource.GetType()
+                                     .GetProperties(BindingFlags.Instance | BindingFlags.Public)
+                                     .ToDictionary(prop => prop.Name, prop => prop.GetValue(resource, null));
+
+            _configService.SaveConfigDictionary(dictionary);
+        }
+    }
+}