同步OpenAuth.Core

修复mvc三级菜单；
Reposiroty单元测试读取webapi配置文件;
修复日志打印2次；

OpenAuth.Mvc/Startup.cs

@@ -109,8 +109,10 @@ namespace OpenAuth.Mvc
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
-        public void Configure(IApplicationBuilder app, IHostEnvironment env)
+        public void Configure(IApplicationBuilder app, IHostEnvironment env, ILoggerFactory loggerFactory)
         {
+            loggerFactory.AddLog4Net();
+            
             app.UseAuthentication();
             if (env.IsDevelopment())
             {