增加撤销与启动，详见：#I3ILBG

调整工程结构，采用模块化机制

OpenAuth.App/FlowInstance/Request/VerificationReq.cs

@@ -0,0 +1,26 @@
+namespace OpenAuth.App.Request
+{
+    public class VerificationReq
+    {
+        public string FlowInstanceId { get; set; }
+        /// <summary>
+        /// 1:同意；2：不同意；3：驳回
+        /// </summary>
+        public string VerificationFinally { get; set; }
+
+        /// <summary>
+        /// 审核意见
+        /// </summary>
+        public string VerificationOpinion { get; set; }
+
+        /// <summary>
+        /// 驳回的步骤，即驳回到的节点ID
+        /// </summary>
+        public string NodeRejectStep { get; set; }
+        
+        /// <summary>
+        /// 驳回类型。null:使用节点配置的驳回类型/0:前一步/1:第一步/2：指定节点，使用NodeRejectStep
+        /// </summary>
+        public string NodeRejectType { get; set; }
+    }
+}