ENG-5540-changed current days value from 0 to 1
ENG-5540 added error message for --days=0 value
ENG-5540 reverted test case, made changes to create current day file
Merge pull request #1687 from VoltDB/ENG-5540-daysOfLogFileToCollect

ENG-5540-changed current days value from 0 to 1