IDEIntf: TCollectionPropertyEditor: fixed unselecting if owner is freed

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40728 4005530d-fff6-0310-9dd1-cebe43e6787f
addrbook: updated readme about tdbf deprecated warning

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@40729 4005530d-fff6-0310-9dd1-cebe43e6787f