ROBUSTNESS: Now passes default argument 'groups' as a named argument.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/aroma-dots@3504 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
# o Now the testScripts/launch.R script looks for a "local"
#   ./testScripts/R/ directory first before turning to ditto in the
#   installed packages.
# o BUG FIX: Using R.utils::cmdArgs(), which also drops the R executable,
#   which R.utils::commandArgs() used before did not.


git-svn-id: svn://svn.r-forge.r-project.org/svnroot/aroma-dots@3505 edb9625f-4e0d-4859-8d74-9fd3b1da38cb