Added Rdata for interest rates from 1934 to 2014.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/mpo@25 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Added weekly returns of 10 stocks from 1980-11-07 to 1981-10-30.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/mpo@26 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Added 90 day TBill interest rates (annualized) from 1934 to 2014

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/mpo@27 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Add the two .rda files

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/mpo@28 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
git-svn-id: svn://svn.r-forge.r-project.org/svnroot/mpo@29 edb9625f-4e0d-4859-8d74-9fd3b1da38cb