add Nvidia overclocking options, integrate NvAPIWrapper/NvidiaML to enable and extend overclocking (curve), some other fixes

NvAPIWrapper/Native/Display/DisplayConfigFlags.cs

@@ -0,0 +1,41 @@
+using System;
+
+namespace NvAPIWrapper.Native.Display
+{
+    /// <summary>
+    ///     Flags for applying settings, used by NvAPI_DISP_SetDisplayConfig()
+    /// </summary>
+    [Flags]
+    public enum DisplayConfigFlags
+    {
+        /// <summary>
+        ///     None
+        /// </summary>
+        None = 0,
+
+        /// <summary>
+        ///     Do not apply
+        /// </summary>
+        ValidateOnly = 0x00000001,
+
+        /// <summary>
+        ///     Save to the persistence storage
+        /// </summary>
+        SaveToPersistence = 0x00000002,
+
+        /// <summary>
+        ///     Driver reload is permitted if necessary
+        /// </summary>
+        DriverReloadAllowed = 0x00000004,
+
+        /// <summary>
+        ///     Refresh OS mode list.
+        /// </summary>
+        ForceModeEnumeration = 0x00000008,
+
+        /// <summary>
+        ///     Tell OS to avoid optimizing CommitVidPn call during a modeset
+        /// </summary>
+        ForceCommitVideoPresentNetwork = 0x00000010
+    }
+}