Bug 735114 - renaming a managed entry does not update mepmanagedby
(cherry picked from commit e9513bcbb4ac46308296e840865dcc6861897c02)
(cherry picked from commit ec3549869b29225c1482112cfa74b963e8315dfe)
(cherry picked from commit 213e9b295c05a00756d289cb768022fe9dc9531f)