Rename Ryujinx.Core to Ryujinx.HLE and add a separate project for a future LLE implementation

Ryujinx.HLE/OsHle/Utilities/IntUtils.cs

@@ -0,0 +1,15 @@
+namespace Ryujinx.HLE.OsHle.Utilities
+{
+    static class IntUtils
+    {
+        public static int RoundUp(int Value, int Size)
+        {
+            return (Value + (Size - 1)) & ~(Size - 1);
+        }
+
+        public static long RoundUp(long Value, int Size)
+        {
+            return (Value + (Size - 1)) & ~((long)Size - 1);
+        }
+    }
+}