profile: Add script for printing profile statistics

This script make it easy to get the typical statistics from a profile.
See the script docstring for more info.

Change-Id: I98fe6b29f35a07d3b4e535b85191523f622ebefb
Signed-off-by: Nir Soffer <nsoffer@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/27433
Reviewed-by: Antoni Segura Puimedon <asegurap@redhat.com>
Reviewed-by: Francesco Romani <fromani@redhat.com>
Reviewed-by: Dan Kenigsberg <danken@redhat.com>