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

1 files changed, 36 insertions, 0 deletions

diff --git a/Ryujinx.HLE/HOS/SystemState/UserProfile.cs b/Ryujinx.HLE/HOS/SystemState/UserProfile.cs
new file mode 100644
index 00000000..63852cdf
--- /dev/null
+++ b/Ryujinx.HLE/HOS/SystemState/UserProfile.cs
@@ -0,0 +1,36 @@
+using System;
+
+namespace Ryujinx.HLE.HOS.SystemState
+{
+    class UserProfile
+    {
+        private static readonly DateTime Epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
+
+        public UserId Uuid { get; private set; }
+
+        public string Name { get; private set; }
+
+        public long LastModifiedTimestamp { get; private set; }
+
+        public OpenCloseState AccountState    { get; set; }
+        public OpenCloseState OnlinePlayState { get; set; }
+
+        public UserProfile(UserId Uuid, string Name)
+        {
+            this.Uuid = Uuid;
+            this.Name = Name;
+
+            LastModifiedTimestamp = 0;
+
+            AccountState    = OpenCloseState.Closed;
+            OnlinePlayState = OpenCloseState.Closed;
+
+            UpdateTimestamp();
+        }
+
+        private void UpdateTimestamp()
+        {
+            LastModifiedTimestamp = (long)(DateTime.Now - Epoch).TotalSeconds;
+        }
+    }
+}