Merge branch 'rc-2.6.0' into develop

Author: mediumTaj

Doxyfile

@@ -38,7 +38,7 @@ PROJECT_NAME           = "IBM Watson SDK for Unity"
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 2.4.2
+PROJECT_NUMBER         = 2.6.0
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

Scripts/Services/Discovery/v1/Discovery.cs

@@ -2553,8 +2553,8 @@ public bool Query(SuccessCallback<QueryResponse> successCallback, FailCallback f
             if (!string.IsNullOrEmpty(_return))
                 req.Parameters["return"] = _return;
 
-            if (!string.IsNullOrEmpty(loggingOptOut)
-                    restRequest.WithHeader("X-Watson-Logging-Opt-Out", loggingOptOut);
+            if (loggingOptOut != null)
+                req.Headers.Add("X-Watson-Logging-Opt-Out", loggingOptOut.ToString());
 
             req.Parameters["offset"] = offset;
             req.Parameters["count"] = count;

Scripts/Utilities/Constants.cs

@@ -47,7 +47,7 @@ public static class Path
         public static class String
         {
             /// <exclude />
-            public const string Version = "watson-apis-unity-sdk/2.5.0";
+            public const string Version = "watson-apis-unity-sdk/2.6.0";
             /// <exclude />
             public const string DebugDispalyQuality = "Quality: {0}";
             /// <summary>