Merge branch 'hotfix-addon-teacher' into 'Release'

Hotfix addon teacher







See merge request !1020

mooctest-site-server/src/main/java/cn/iselab/mooctest/site/service/impl/CompetitionServiceImpl.java

@@ -182,6 +182,10 @@ public class CompetitionServiceImpl implements CompetitionService {
     }
     @Override
     public boolean checkAddons(List<AddonsVO> addonsList, Long qualificationId, Integer type) {
+        if (type == null)
+            return false;
+        if (type == 0)
+            return true;
         //获取当前队伍比赛信息
         Qualification qualification = qualificationDao.findOne(qualificationId);
         //获取所有参加当前比赛的队伍