A patch from  Deepak Dixit for "EntityListIterator Not Closed for Entity JobSandbox, caught in Finalize" https://issues.apache.org/jira/browse/OFBIZ-5885

EntityListIterator Not Closed for Entity JobSandbox in ServiceUtil.purgeOldJobs method. Need to close the entity list iterator properly.

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1641548 13f79535-47bb-0310-9956-ffa450edef68
Creates the "revert-dev" ant target to quickly get rid of changes applied by build-dev locally or on a server https://issues.apache.org/jira/browse/OFBIZ-5886

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1641631 13f79535-47bb-0310-9956-ffa450edef68