For ENG-4563, set default dead host timeout to 90 seconds.
(cherry picked from commit a39adb3bc8733693f7624e35166e22693e58162f)
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
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