(1)策略分组修改，增加分租asn,id 为4

(2)策略分组删除时判断ASN分组是否已经下发过，如果已经下发过，则不能删除
(3)配置分组修改不能更新分组类型

src/main/java/com/nis/domain/basics/PolicyGroupInfo.java

@@ -20,7 +20,14 @@ public class PolicyGroupInfo extends BaseCfg<PolicyGroupInfo> implements Seriali
 	private Integer groupId;
 	private String groupName;
 	private Integer groupType;
+	private Integer serviceGroupId;
 	
+	public Integer getServiceGroupId() {
+		return serviceGroupId;
+	}
+	public void setServiceGroupId(Integer serviceGroupId) {
+		this.serviceGroupId = serviceGroupId;
+	}
 	public Integer getGroupId() {
 		return groupId;
 	}