A slightly modified patch from Rong Nguyen for "View Calendar broken in Manufacturing" https://issues.apache.org/jira/browse/OFBIZ-5558

Url: https://demo-trunk.ofbiz.apache.org:8443/manufacturing/control/EditCalendarExceptionDay?calendarId=SUPPLIER
Calendar broken

Related with https://issues.apache.org/jira/browse/OFBIZ-4739

jleroux: formatting and some other slight issues fixed in patch

git-svn-id: https://svn.apache.org/repos/asf/ofbiz/trunk@1576331 13f79535-47bb-0310-9956-ffa450edef68