"pretty" and "chic" themes added

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rmetrics@5891 5d4a7380-5c0c-0410-b446-d4a5018c0119
vignette added

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rmetrics@5892 5d4a7380-5c0c-0410-b446-d4a5018c0119
extensions tests added

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rmetrics@5893 5d4a7380-5c0c-0410-b446-d4a5018c0119
obsolete files deleted

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rmetrics@5894 5d4a7380-5c0c-0410-b446-d4a5018c0119
wealth and plot2 added

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rmetrics@5895 5d4a7380-5c0c-0410-b446-d4a5018c0119
wealth and slotDocu added

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rmetrics@5896 5d4a7380-5c0c-0410-b446-d4a5018c0119
git-svn-id: svn://svn.r-forge.r-project.org/svnroot/rmetrics@5897 5d4a7380-5c0c-0410-b446-d4a5018c0119