Log error if screen's incoming record batch has a selection vector; Close listener if an error is encountered
Throw ExecutionSetupException in TraceRecordBatch() if unable to create file where trace output needs to be written
DRILL-254: Add iterator validator and correct interface violations
DRILL-164: Add QueryId return in UserResultListener so that REST api can use for external query management.
Merge branch 'master' of https://github.com/mehant/incubator-drill-removeMap