Ticket 413 - "Server is unwilling to perform" when running ldapmodify on nsds5ReplicaStripAttrs
Bug Description: trying to set nsds5ReplicaStripAttrs yields an error 53
Fix Description: Needed to check for this new attribute when in the agmtlist modify
callback. When it doesn't recognize the attribute it returns error 53.
https://fedorahosted.org/389/ticket/413
Reviewed by: Richm(Thanks!)
(cherry picked from commit e86013506df7f3da280d67be2b3bd9ab24b241bf)