committing massive restructuring of clm, clm.fit

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ordinal@167 dd220844-296b-48bf-b704-e9ffb8426404
adding testthat-tests of namedList

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ordinal@168 dd220844-296b-48bf-b704-e9ffb8426404
Adding warning (+tests) about predvars attribute to clm.predict

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ordinal@169 dd220844-296b-48bf-b704-e9ffb8426404
final merge of pkg/ordinal into ordinal-reorganize branch

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ordinal@170 dd220844-296b-48bf-b704-e9ffb8426404