Update latency text in voter async benchmark
Updated url in voltcache readme to point to blog benchmarks
For ENG-5017, add a set of system info messages into log after log rolls
For ENG-5017, address Ariel's review
Merge pull request #705 from VoltDB/ENG-5001

Eng 5001 - Update comments in Voter sample and VoltCache sample
Merge pull request #707 from VoltDB/ENG-5017

Eng 5017
Fix the failed test case. Not using inverse scan feature for order by descending query currently.
Merge branch 'master' of github.com:VoltDB/voltdb
Merge branch 'master' into ENG-5045-planner-profile