closes #277 XML schema validation fails for inheritors of XMLSchedulingDataProcessor
closes #277 XML schema validation fails for inheritors of XMLSchedulingDataProcessor

quartznet/quartznet,sean-gilliam/quartznet,quartznet/quartznet,quartznet/quartznet,quartznet/quartznet,sean-gilliam/quartznet,sean-gilliam/quartznet,sean-gilliam/quartznet,sean-gilliam/quartznet,quartznet/quartznet