Refactored MtApi4 (MT4) for working with new architecture

MtApi/MtProtocol/MqlTick.cs

@@ -0,0 +1,12 @@
+namespace MtApi.MtProtocol
+{
+    public class MtTick
+    {
+        public double Bid { get; set; }           // Current Bid price
+        public double Ask { get; set; }           // Current Ask price
+        public long Time { get; set; }            // Time of the last prices update
+        public double Last { get; set; }          // Price of the last deal (Last)
+        public ulong Volume { get; set; }         // Volume for the current Last price
+        public double VolumeReal { get; set; }    // Volume for the current Last price with greater accuracy
+    }
+}