For ENG-4963, move collect CLI from voltadmin to voltdb
For ENG-4963, add methods to SSHTools and SFTPSession in order to support SSH authentication with password
For ENG-4963, modify collector to support cluster wide collection
ENG-4927 loadTable now supports undo
For ENG-4963, fix the help message of --dry-run option
For ENG-4963, address Steve's and Stefano's reviews
Add more order by test cases
Merge branch 'master' of github.com:VoltDB/voltdb
Organize the test case
Merge pull request #673 from VoltDB/ENG-4910-catalog-update-crash

Eng 4910 catalog update crash
add procio selectors
made jUnit less groovy
ENG-5021 mark partial key EQ scans as non-descending
Merge pull request #677 from VoltDB/ENG-5021-desc-order-by

ENG-5021 mark partial key EQ scans as non-descending
Patch today's regression found by TestPlansOrderBy.
Add test cases to prove that we now support this kind of query
collapse long lines to short lines for review, uncomment out configs
Fix ENG-3239
Make sure we test time with microseconds.
Add a avg push down planner test case