changed dependency on gnm to Enhances; switched to LazyData:yes; version 1.0-5

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/bradleyterry2@102 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
updated NEWS file

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/bradleyterry2@103 edb9625f-4e0d-4859-8d74-9fd3b1da38cb