merging ordinal-predict-bug back into pkg/ordinal with fix of the bug

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ordinal@153 dd220844-296b-48bf-b704-e9ffb8426404
delete ordinal-predict-bug branch reintegrated into pkg/ordinal in r153

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ordinal@154 dd220844-296b-48bf-b704-e9ffb8426404
adding test of predict-equivalence of poly(x, 2) and x + I(x^2) to tests/test.clm.predict.R

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ordinal@155 dd220844-296b-48bf-b704-e9ffb8426404
Adding test of dot-notation in formula to tests/clm.formula.R

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ordinal@156 dd220844-296b-48bf-b704-e9ffb8426404
Adding terms method for clm objects and bumping version number

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ordinal@157 dd220844-296b-48bf-b704-e9ffb8426404
branching pkg/ordinal to implement testthat tests

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ordinal@158 dd220844-296b-48bf-b704-e9ffb8426404
Correcting bug8: error in warning message when the intercept was removed from a formula

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ordinal@159 dd220844-296b-48bf-b704-e9ffb8426404