adding testthat tests etc. (and some updates from pkg/ordinal)

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ordinal@162 dd220844-296b-48bf-b704-e9ffb8426404
last of pkg/ordinal to testthat branch

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ordinal@163 dd220844-296b-48bf-b704-e9ffb8426404
reintegrating ordinal-testthat branch into pkg/ordinal

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ordinal@164 dd220844-296b-48bf-b704-e9ffb8426404
removing reintegrated ordinal-testthat branch

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ordinal@165 dd220844-296b-48bf-b704-e9ffb8426404
creating branch to reorganize the clm and friends

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ordinal@166 dd220844-296b-48bf-b704-e9ffb8426404