added RoptRegTS to namespace

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/robast@764 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
moved some packages to Imports to avoid note on many packages in Depends, added Encoding due to warning about character 2292 in my locale

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/robast@765 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
corrected link

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/robast@766 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
put code in \dontrun to reduce checking time

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/robast@767 edb9625f-4e0d-4859-8d74-9fd3b1da38cb