test-nis-schema-bdb2 to start a server using the NIS-LDAP
schema.

expected output files.

Modified by me to dn_*() and attr_*() functions and to use
uidObject and to handle search scopes better.  Could use some
more work.  A fun project for anyone wanting to learn how
backends work.
Modified dn_parent and dn_rdn to accept be=NULL (to bypass
be_issuffix check).  These functions should be generalized
and moved to -lldap.  A project for another day.

'make bdb2' tests only BDB2
'make ldbm' tests only LDBM
Fix up scripts (previous changes broke BDB2 testing)

Remove disable write sync (dbcachenowsync) in master (for concurrency test).

Modify slapd_tester to use pid_t and wait macros.  May need to
implement additional macros in ac/wait.h (in addition to
WEXITSTATUS and WIFEXITED).

Mainly updated back-bdb2, back-passwd, back-shell to use slap_get_time().

address.  Useful for running multiple servers in a virtual hosting
environment.
Modified test001-ldif2ldbm to verify this functionality.  Assumes
localhost is 127.0.0.1.