[WIP] Add support for events (#60)

* Add support for events, move concept of domains to IpcService

* Support waiting for KThread, remove some test code, other tweaks

* Use move handle on NIFM since I can't test that now, it's better to leave it how it was

Ryujinx.Core/OsHle/Handles/KThread.cs

@@ -0,0 +1,21 @@
+using ChocolArm64;
+
+namespace Ryujinx.Core.OsHle.Handles
+{
+    class KThread : KSynchronizationObject
+    {
+        public AThread Thread { get; private set; }
+
+        public int ProcessorId { get; private set; }
+        public int Priority    { get; set; }
+
+        public int ThreadId => Thread.ThreadId;
+
+        public KThread(AThread Thread, int ProcessorId, int Priority)
+        {
+            this.Thread      = Thread;
+            this.ProcessorId = ProcessorId;
+            this.Priority    = Priority;
+        }
+    }
+}