ENG-5591. Add 128M to the sqlcoverage runs.
ENG-5591: Revert change to TestSQLFeaturesSuite that caused a lack of
memcheckitude.  Add a test pre-crash to try to avoid additional
test-related heap death.
ENG-5591: ...
Merge branch 'master' of github.com:VoltDB/voltdb into ENG-391-experiment