Refactored player. Refactored changelog system. Players isn't localized

Related Work Items: #161, #211, #238

FoxTube/Classes/InboxItem.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Xml;
+using Windows.ApplicationModel.Resources;
 
 namespace FoxTube.Classes
 {
@@ -13,6 +14,8 @@ namespace FoxTube.Classes
         public string Subject { get; set; }
         public string Content { get; set; }
         public string Id { get; set; }
+
+        private ResourceLoader resources = ResourceLoader.GetForCurrentView("Inbox");
         
         public string Icon
         {
@@ -29,9 +32,9 @@ namespace FoxTube.Classes
             get
             {
                 if (Type == InboxItemType.PatchNote)
-                    return "Patch note";
+                    return resources.GetString("changelog");
                 else
-                    return "Developer's message";
+                    return resources.GetString("dev");
             }
         }
 
@@ -40,7 +43,7 @@ namespace FoxTube.Classes
             get
             {
                 if (Type == InboxItemType.PatchNote)
-                    return $"What's new in v{Id}";
+                    return $"{resources.GetString("whatsnew")}{Id}";
                 else
                     return Subject;
             }