Stubs implementations (#45)

Services Bsd, Nifm & SSL stubs implementations
Objects IGeneralService, IRequest stubs implementations.
Fake-Fix GetAvailableLanguageCodes stub too ^^!

Ryujinx.Core/OsHle/Services/Nifm/IRequest.cs

@@ -0,0 +1,49 @@
+using Ryujinx.Core.OsHle.Ipc;
+using System.Collections.Generic;
+
+namespace Ryujinx.Core.OsHle.IpcServices.Nifm
+{
+    class IRequest : IIpcService
+    {
+        private Dictionary<int, ServiceProcessRequest> m_Commands;
+
+        public IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
+
+        public IRequest()
+        {
+            m_Commands = new Dictionary<int, ServiceProcessRequest>()
+            {
+                { 0, GetRequestState               },
+                { 1, GetResult                     },
+                { 2, GetSystemEventReadableHandles }
+            };
+        }
+
+        // -> i32
+        public long GetRequestState(ServiceCtx Context)
+        {
+            Context.ResponseData.Write(0);
+
+            //Todo: Stub
+
+            return 0;
+        }
+
+        public long GetResult(ServiceCtx Context)
+        {
+            //Todo: Stub
+
+            return 0;
+        }
+
+        //GetSystemEventReadableHandles() -> (KObject, KObject)
+        public long GetSystemEventReadableHandles(ServiceCtx Context)
+        {
+            Context.Response.HandleDesc = IpcHandleDesc.MakeMove(0xbadcafe);
+
+            //Todo: Stub
+
+            return 0;
+        }
+    }
+}