ENG-5690: Ugh.  Avoid having every command line tool that pulls in
VoltLogger spew server Control-C shutdown warnings on exit.
ENG-5690: Remove now-irrelvant comment
ENG-5690: Clearer naming
Merge pull request #1194 from VoltDB/eng5690fix

ENG-5690: Ugh.  Avoid having every command line tool that pulls in VoltLogger spew server Control-C shutdown warnings on exit.

r=akhanzode, jhugg