Bug 15214: bulkmarcimport should log if an authority has been updated

Bug 15214: bulkmarcimport should log if an authority has been updated

When importing with bulkmarcimport, authorities may or may not be updated based
on which authority is newer (005 are compared). This patch allows to keep track
in the result yaml file if an authority has been updated or not:

Signed-off-by: Jon Knight <J.P.Knight@lboro.ac.uk>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>