Ticket #47348 - add etimes to per second/minute stats
    
    https://fedorahosted.org/389/ticket/47348
    Reviewed by: mreynolds (Thanks!)
    Branch: master
    Fix Description: Add an "ElapsedTime" column to the -m/-M output.  This column
    is the cumulative etimes of all operations during that time period.
    Platforms tested: RHEL6 x86_64
    Flag Day: no
    Doc impact: yes