file properties

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/dplr@752 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Set class of rwl data.frame in a different place.  Also works when
res$measurements is a list of rwl data.frames.


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/dplr@753 edb9625f-4e0d-4859-8d74-9fd3b1da38cb