[구태진] [pinpoint-web #130] Alarm 기능 추가

1. Alarm 초기화 할수 있게 변경, 


git-svn-id: http://svn.bds.nhncorp.com/pe/hippo-web/trunk@3825 84d0f5b1-2673-498c-a247-62c4ff18d310

src/main/java/com/nhn/pinpoint/web/scheduler/DefaultAlarmScheduler.java

@@ -101,6 +101,7 @@ public class DefaultAlarmScheduler implements AlarmScheduler {
 		synchronized (this) {
 			if (this.repository == null) {
 				logger.warn("{}'s repository is null. this job will be skipped.", this.getClass().getName());
+				return;
 			}
 			
 			int totalJobCount = this.repository.getTotalJobCount();