add a new static function LdapControl::insert() (formerly reviewed as LdapControl::setUniqueControl()) and use it to allow paging in search results Fixed For: KDE SC 4.4 BUG: 215190

http://reviewboard.kde.org/r/2212/

thanks marke, please close the review as submitted.

MERGE: none (cannot backport due to new public method)

svn path=/trunk/KDE/kdepimlibs/; revision=1064010