设备信息增加最近注册时间和最近心跳时间，心跳超时时间变为可配置

64850858

2021-06-07 83411ad1277f8d4dfbc95aff2f15900150e84db3

 src/main/java/com/genersoft/iot/vmp/conf/security/AnonymousAuthenticationEntryPoint.java

@@ -7,7 +7,6 @@
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;