ENG-5865. Turn off java memcheck on volt0 kit builds.
Update README.thirdparty
Update template.classpath
ENG-5986: fix for possible dup row in insert.
Merge pull request #1257 from VoltDB/ENG-5986

ENG-5986: fix for possible dup row in insert.
Revert "ENG-5986: fix for possible dup row in insert."

This reverts commit 9906688fca15ccc758630ccfb339d025c01b9ca0.
Merge pull request #1258 from VoltDB/ENG-5986

Revert "ENG-5986: fix for possible dup row in insert."
Merge branch 'master' into fourtwo-integration