(if only they were implemented :-)

and lots of cleanup (hence the commit)
(ldapmodify will need much more work for transactions)

/false after the page result size (/true is still the default)

Active Directory (which returns no cookie but size in the last
paged results - this is permitted).

(at least not with a secure authentication framework).

Need to remove use of deprecated functions.

libldif to libutil updates
notice updates

	Moved BerElementBuffer to lber_pvt.h
	Defined union by macro so it can be easily reused.
Updated client/tools/common.c.

TODO:
	Fix transactional consistency
	Add client response control handling

  ldappasswd -T and -t options don't work, they try to open the file ldappasswd
  instead of the argument passed.

Applied patch provided by Nicolas Schodet.