Log IOExceptions that aren't expected for a connection being closed
Only log if NpProcedureTask fails to load in pro since it isn't used in community
Trim the message before doing a comparison
Merge pull request #1057 from VoltDB/network_exception

Network exceptions should be logged unless they are very specifically connection closures
Merge branch 'master' into ENG-5664
ENG-5664: Update comment