* Headers/AppKit/NSCollectionViewItem.h
* Source/GNUmakefile
* Source/NSCollectionViewItem.m
* Source/NSCollectionView.m: Added NSCollectionView and
NSCollectionViewItem classes from testplant branch. Made changes
to original patch to conform to coding standards, NSCoding for
non-keyed archiving and moved instances of float/integer to
CGFloat and NSInteger/NSUInteger as appropriate.
Patch by Doug Simons (dsimons@testplant.com) and
Frank LeGrand (flegrand@testplant.com).
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@36545 72102866-910b-0410-8b05-ffd578937521