change connectionProvider.class from c3p0 to druid

escheduler-common/src/main/resources/quartz.properties

@@ -26,11 +26,11 @@ org.quartz.jobStore.isClustered = true
 org.quartz.jobStore.misfireThreshold = 60000
 org.quartz.jobStore.clusterCheckinInterval = 5000
 org.quartz.jobStore.dataSource = myDs
-org.quartz.dataSource.myDs.connectionProvider.class = cn.escheduler.server.quartz.DruidConnectionProvider
 
 #============================================================================
 # Configure Datasources  
 #============================================================================
+org.quartz.dataSource.myDs.connectionProvider.class = cn.escheduler.server.quartz.DruidConnectionProvider
 org.quartz.dataSource.myDs.driver = com.mysql.jdbc.Driver
 org.quartz.dataSource.myDs.URL = jdbc:mysql://192.168.xx.xx:3306/escheduler?characterEncoding=utf8
 org.quartz.dataSource.myDs.user = xx