Ticket #47348 - add etimes to per second/minute stats
https://fedorahosted.org/389/ticket/47348
Reviewed by: mreynolds (Thanks!)
Branch: 389-ds-base-1.3.1
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
(cherry picked from commit 9813b219ad2aa7b7194d9295dd529e12889a8534)