Fix for ENG-4792 and a wrong answer.
ENG-4792 fix for lower bound handling and desc sort with no equalities or upper bound.
Merge branch 'master' into ENG-4792-compound-index-lite
licensecheck
fix-indexcount: IndexCount junit tests failed because of using the sortDirection to determine whether this is a reverse scan; add a new function in IndexScanPlanNode isReverseScan() to fix it.
Clean up some imports and shorten the reverseScan check logic
Merge pull request #721 from VoltDB/fix-indexcount

fix-indexcount: IndexCount junit tests failed because of using the sortD...
Merge branch 'master' into ENG-4792-compound-index-lite
Merge branch 'ENG-4792-compound-index-lite' of github.com:VoltDB/voltdb into ENG-4792-compound-index-lite
Merge pull request #715 from VoltDB/ENG-4792-compound-index-lite

Eng 4792 compound index lite
Merge branch 'master' into csvloader-bench

Conflicts:
	examples/voter/ddl.sql