core:entity rename log missing initiating user...

entity rename log missing initiating user name

When you rename an entity, the initiating user who had renamed the
entity is missing from the audit log message.

this patch adds the current user name to the rename log message when an
entity is renamed.

Change-Id: If86bf6def2bce231c0acf4290cacd526ba074eae
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1082110
Signed-off-by: Eli Mesika <emesika@redhat.com>