Version 0.91 - small changes, cleanup.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/simplace@18 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Version 0.91 - small changes, cleanup, classpath directories in lowercase.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/simplace@19 edb9625f-4e0d-4859-8d74-9fd3b1da38cb