Merged cV interfaces by request

src/Microsoft.CorrelationVector/ICorrelationVector.cs

@@ -6,6 +6,7 @@ namespace Microsoft.CorrelationVector
 {
     /// <summary>
     /// This interface represents the Correlation Vector.
+    /// The Correlation Vector is a format for tracing and correlating events in large systems.
     /// </summary>
     public interface ICorrelationVector
     {
@@ -113,5 +114,13 @@ namespace Microsoft.CorrelationVector
         /// No return value. Throws ArgumentException if invalid.
         /// </returns>
         void Validate(string correlationVector);
+
+        /// <summary>
+        /// Creates a new correlation vector when the total vector length (the <see cref="Value"/>) is longer than its maximum length.
+        /// Not used in Correlation vectors earlier than V3.
+        /// </summary>
+        /// <param name="correlationVector">A correlationVector to be reset.</param>
+        /// <returns>A Correlation Vector class.</returns>
+        ICorrelationVector Reset(string correlationVector);
     }
 }

src/Microsoft.CorrelationVector/ICorrelationVectorV3.cs

@@ -1,20 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
-
-namespace Microsoft.CorrelationVector
-{
-    /// <summary>
-    /// This interface represents the Correlation Vector v3 and further.
-    /// This implements W3C interoperability and reset functionality.
-    /// </summary>
-    interface ICorrelationVectorV3 : ICorrelationVector
-    {
-        /// <summary>
-        /// Creates a new correlation vector when the total vector length (the <see cref="Value"/>) is longer than its maximum length.
-        /// </summary>
-        /// <param name="correlationVector">A correlationVector to be reset.</param>
-        /// <returns>A Correlation Vector class.</returns>
-        ICorrelationVectorV3 Reset(string correlationVector);
-    }
-}