Align ASP.NET Core path config names with latest

libraries/integration/Microsoft.Bot.Builder.Integration.AspNet.Core/ApplicationBuilderExtensions.cs

@@ -44,12 +44,12 @@ namespace Microsoft.Bot.Builder.Integration.AspNet.Core
             if (options.EnableProactiveMessages)
             {
                 applicationBuilder.Map(
-                    paths.BasePath + paths.ProactivePath,
+                    paths.BasePath + paths.ProactiveMessagesPath,
                     botProactiveAppBuilder => botProactiveAppBuilder.Run(httpContext => { httpContext.Response.StatusCode = (int)HttpStatusCode.OK; return Task.CompletedTask; }));
             }
 
             applicationBuilder.Map(
-                paths.BasePath + paths.ActivitiesPath, 
+                paths.BasePath + paths.MessagesPath, 
                 botActivitiesAppBuilder => botActivitiesAppBuilder.Run(new BotActivitiesHandler(botFrameworkAdapter).HandleAsync));
 
             return applicationBuilder;

libraries/integration/Microsoft.Bot.Builder.Integration.AspNet.Core/BotFrameworkPaths.cs

@@ -10,12 +10,12 @@ namespace Microsoft.Bot.Builder.Integration.AspNet.Core
         public BotFrameworkPaths()
         {
             this.BasePath = "/api";
-            this.ActivitiesPath = "/messages";
-            this.ProactivePath = "/messages/proactive";
+            this.MessagesPath = "/messages";
+            this.ProactiveMessagesPath = "/messages/proactive";
         }
 
         public PathString BasePath { get; set; }
-        public PathString ActivitiesPath { get; set; }
-        public PathString ProactivePath { get; set; }
+        public PathString MessagesPath { get; set; }
+        public PathString ProactiveMessagesPath { get; set; }
     }
 }