- move all source codes into directory pkg/ouch

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ouch@84 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
- oops


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ouch@85 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
- update Makefile

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/ouch@86 edb9625f-4e0d-4859-8d74-9fd3b1da38cb