Add openldap ebuild with `use prefix`-protected group/user creation.
- [DH] net-nds/openldap/ChangeLog
- [DH] net-nds/openldap/Manifest
- [DH] net-nds/openldap/files/DB_CONFIG.fast.example
- [DH] net-nds/openldap/files/openldap-2.2.14-perlthreadsfix.patch
- [DH] net-nds/openldap/files/openldap-2.2.6-ntlm.patch
- [DH] net-nds/openldap/files/openldap-2.3.21-ppolicy.patch
- [DH] net-nds/openldap/files/openldap-2.3.24-contrib-smbk5pwd.patch
- [DH] net-nds/openldap/files/openldap-2.3.34-slapd-conf
- [DH] net-nds/openldap/files/openldap-2.3.37-libldap_r.patch
- [DH] net-nds/openldap/files/openldap-2.3.43-r1-winnt.patch
- [DH] net-nds/openldap/files/openldap-2.3.43-tag-lt.patch
- [DH] net-nds/openldap/files/openldap-2.3.43-winnt.patch
- [DH] net-nds/openldap/files/openldap-2.3.XY-gcc44.patch
- [DH] net-nds/openldap/files/openldap-2.4-disable-bdb46.patch
- [DH] net-nds/openldap/files/openldap-2.4-ppolicy.patch
- [DH] net-nds/openldap/files/openldap-2.4.11-libldap_r.patch
- [DH] net-nds/openldap/files/openldap-2.4.15-ppolicy.patch
- [DH] net-nds/openldap/files/openldap-2.4.17-contrib-smbk5pwd.patch
- [DH] net-nds/openldap/files/openldap-2.4.17-fix-lmpasswd-gnutls-symbols.patch
- [DH] net-nds/openldap/files/openldap-2.4.17-gcc44.patch
- [DH] net-nds/openldap/files/openldap-2.4.19-contrib-smbk5pwd.patch
- [DH] net-nds/openldap/files/slapd-confd
- [DH] net-nds/openldap/files/slapd-initd
- [DH] net-nds/openldap/files/slapd-initd2
- [DH] net-nds/openldap/files/slurpd-initd
- [DH] net-nds/openldap/metadata.xml
- [DH] net-nds/openldap/openldap-2.4.21.ebuild