merge conflicts.

Author: codemzs

src/Microsoft.ML.StandardLearners/Standard/Online/AveragedPerceptron.cs

@@ -9,7 +9,7 @@
 using Microsoft.ML.CommandLine;
 using Microsoft.ML.Data;
 using Microsoft.ML.EntryPoints;
-
+using Microsoft.ML.Model;
 using Microsoft.ML.Numeric;
 using Microsoft.ML.Trainers.Online;