Use the BranchName when linking back to source

This commit changes the generated docs to use the branch name when linking back to the source document.

Author: russcam

src/CodeGeneration/DocGenerator/AsciiDoc/GeneratedAsciidocVisitor.cs

@@ -73,7 +73,7 @@ public override void VisitDocument(Document document)
 				_newDocument.Attributes.Add(new AttributeEntry("nuget", "https://www.nuget.org/packages"));
 
 			var originalFile = Regex.Replace(_source.FullName.Replace("\\", "/"), @"^(.*Tests/)",
-				$"{github}/tree/{Program.DocVersion}/src/Tests/Tests/");
+				$"{github}/tree/{Program.BranchName}/src/Tests/Tests/");
 
 			_newDocument.Insert(0, new Comment
 			{

src/CodeGeneration/DocGenerator/AsciiDoc/RawAsciidocVisitor.cs

@@ -29,7 +29,8 @@ public override void VisitDocument(Document document)
 			if (directoryAttribute != null) document.Attributes.Remove(directoryAttribute);
 
 			var github = "https://github.com/elastic/elasticsearch-net";
-			var originalFile = Regex.Replace(_source.FullName.Replace("\\", "/"), @"^(.*Tests/)", $"{github}/tree/master/src/Tests/Tests/");
+			var originalFile = Regex.Replace(_source.FullName.Replace("\\", "/"),
+				@"^(.*Tests/)", $"{github}/tree/{Program.BranchName}/src/Tests/Tests/");
 			document.Insert(0, new Comment
 			{
 				Style = CommentStyle.MultiLine,