Remove dissimilarity() (a trivial wrapper around proxy:dist())

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/tm@1316 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Do not export FunctionGenerator


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/tm@1317 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Remove unused script

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/tm@1318 edb9625f-4e0d-4859-8d74-9fd3b1da38cb