Added NightAlert project for travel kit

ThirdParty/EngineIoClientDotNet/Src/EngineIoClientDotNet.mono/Parser/Buffer.cs

@@ -0,0 +1,41 @@
+namespace Quobject.EngineIoClientDotNet.Parser
+{
+    internal class Buffer
+    {
+
+        private Buffer()
+        {
+        }
+
+        public static byte[] Concat(byte[][] list)
+        {
+            int length = 0;
+            foreach (var buf in list)
+            {
+                length += buf.Length;
+            }
+
+            return Concat(list, length);
+        }
+
+        public static byte[] Concat(byte[][] list, int length)
+        {
+            if (list.Length == 0)
+            {
+                return new byte[0];
+            }
+            if (list.Length == 1)
+            {
+                return list[0];
+            }
+
+            ByteBuffer buffer = ByteBuffer.Allocate(length);
+            foreach (var buf in list)
+            {
+                buffer.Put(buf);
+            }
+
+            return buffer.Array();
+        }
+    }
+}