Fix one assert for IndexCountExecutor
more-plannertest: add more queries to test new fields added in IndexScanPlanNode and NestLoopIndexPlanNode.
Fix jvm errors for core-extended test.
Merge branch 'master' into vmerror
Merge pull request #654 from VoltDB/vmerror

Vmerror: fixes for core-extended failed tests
Merge pull request #650 from VoltDB/more-plannertest

more-plannertest: add more queries to test new fields added in IndexScan...
Merge branch 'master' into ENG-4873