* Source/GSXibLoader.m (GSXibKeyedUnarchiver -_preProcessXib:):
        Release the document.
        Patch by Doug Simons <doug.simons@testplant.com>
        * Source/GSXibLoader.m: Fix a problem where owner,
        * firstResponder and application
        were put in the list of top-level objects, creating a
retain-cycle.
        * Source/NSViewController.m: Fix a problem where view
        * controllers
        did not release their top-level objects as expected.
        * Source/NSWindowController.m: Fix a problem where window
        controllers did not release their top-level objects as expected.
        Changes made in occordance with
        https://developer.apple.com/library/mac/#documentation/Cocoa/Conceptual/LoadingResources/CocoaNibs/CocoaNibs.html
        Patch by Jonathan Gillaspie <jonathan.gillaspie@testplant.com>



git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@36134 72102866-910b-0410-8b05-ffd578937521