(ITS#3921) authzTo/authzFrom syntax

[ando@sys-net.it]

Full_Name: Pierangelo Masarati
Version: HEAD
OS: irrelevant
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (81.72.89.40)
Submitted by: ando


authzTo/authzFrom should have a specific syntax, so that they can be validated
(early detection of configuration errors) and possibly prettified/normalized to
ease and speed up their parsing any time they're evaluated (e.g., avoid repeated
DN normalizations and so).

p.