- Classes for handling Controls

- extented Referral chasing (loop detection, hop limit, Rebind)
- support for Server Controls
- fixed many bugs and memory leaks

Changes will be overwritten upon next autoconf/libtool update.

data segments.

Trim this.

when len is 0.

one set of slapd.conf files.

specfication of flags.

nothing is left.

Needed for transactions.