Tweak log levels to use warn instead of error when things might retry/recover
Merge pull request #1094 from VoltDB/elastic_loglevel

Tweak log levels to use warn instead of error when things might retry/re...
Merge branch 'master' of github.com:VoltDB/voltdb into ENG-391-disableJunitTest
Fix the valgrind memory problme for indexscanExecutor