1、超级管理员课表预览bug修复

2、连堂课条件判断逻辑调整
3、vip课教师不做异常签到、签退判断
4、课程调整，如果调整时间大于当前时间，则清空之前的签到信息
5、VIP课学员复学增加时间限制

mec-biz/src/main/java/com/ym/mec/biz/service/impl/TeacherAttendanceServiceImpl.java

@@ -284,7 +284,7 @@ public class TeacherAttendanceServiceImpl extends BaseServiceImpl<Long, TeacherA
 			boolean isSign = false;
 			if(yesOrNoEnum == YesOrNoEnum.YES){
 				isSign = true;
-			}else if(DateUtil.minutesBetween(date,classStartDateTime) > 0){
+			}else if(DateUtil.minutesBetween(date,classStartDateTime) >= 0){
 				//正常签到范围(开始之前)
 				isSign = true;
 			}else if(DateUtil.minutesBetween(classStartDateTime,date) > 0){