Code style fixes and nits on the HLE project (#355)

* Some style fixes and nits on ITimeZoneService

* Remove some unneeded usings

* Remove the Ryujinx.HLE.OsHle.Handles namespace

* Remove hbmenu automatic load on process exit

* Rename Ns to Device, rename Os to System, rename SystemState to State

* Move Exceptions and Utilities out of OsHle

* Rename OsHle to HOS

* Rename OsHle folder to HOS

* IManagerDisplayService and ISystemDisplayService style fixes

* BsdError shouldn't be public

* Add a empty new line before using static

* Remove unused file

* Some style fixes on NPDM

* Exit gracefully when the application is closed

* Code style fixes on IGeneralService

* Add 0x prefix on values printed as hex

* Small improvements on finalization code

* Move ProcessId and ThreadId out of AThreadState

* Rename VFs to FileSystem

* FsAccessHeader shouldn't be public. Also fix file names casing

* More case changes on NPDM

* Remove unused files

* Move using to the correct place on NPDM

* Use properties on KernelAccessControlMmio

* Address PR feedback

Ryujinx.HLE/HOS/Kernel/SchedulerThread.cs

@@ -0,0 +1,48 @@
+using System;
+using System.Threading;
+
+namespace Ryujinx.HLE.HOS.Kernel
+{
+    class SchedulerThread : IDisposable
+    {
+        public KThread Thread { get; private set; }
+
+        public SchedulerThread Next { get; set; }
+
+        public bool IsActive { get; set; }
+
+        public AutoResetEvent   WaitSync     { get; private set; }
+        public ManualResetEvent WaitActivity { get; private set; }
+        public AutoResetEvent   WaitSched    { get; private set; }
+
+        public SchedulerThread(KThread Thread)
+        {
+            this.Thread = Thread;
+
+            IsActive = true;
+
+            WaitSync  = new AutoResetEvent(false);
+
+            WaitActivity = new ManualResetEvent(true);
+
+            WaitSched = new AutoResetEvent(false);
+        }
+
+        public void Dispose()
+        {
+            Dispose(true);
+        }
+
+        protected virtual void Dispose(bool Disposing)
+        {
+            if (Disposing)
+            {
+                WaitSync.Dispose();
+
+                WaitActivity.Dispose();
+
+                WaitSched.Dispose();
+            }
+        }
+    }
+}