Rename ManageDIT to Relax

Move TLS options into struct ldapoptions.
  Added ldap_int_tls_destroy()
  Added LDAP_OPT_X_TLS_NEWCTX to generate new SSL_CTX

Misc cleanup

Transactions specification.  A work in progress!  Comments welcomed.

temporary server-side support for old OID.

assigned result code.

Remove old grouping/txn code (pending redesign)

rework API functions to create/parse controls; add client API functions to handle RFC2696 paged results (ITS#4314; patch from Hans Leidekker with changes)

control to be directly passed in.

No slapd(8) support yet.
Also removed unnecessary #ifdefs

Provide some backwards compatibility.
Misc cleanup

appropriate IANA assigned OIDs, and remove hide.