importance, model.avg: fixed wrong ordering of 'n.models' attribute
.checkModels: comparing 'data' argument from different models now uses 'identical' not '=='


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/mumin@277 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
package files 1.10.4

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/mumin@278 edb9625f-4e0d-4859-8d74-9fd3b1da38cb