title: unable to install quadprog package on R Version 2.13.0 on mac
body: <p>I am unable to install quadprog package on R Version 2.13.0 on mac</p>
  
  <p>install.packages("quadprog", repos="http://R-Forge.R-project.org")</p>
  
  <p>Warning message:
  In getDependencies(pkgs, dependencies, available, lib) :
    package ‘quadprog’ is not available (for R version 2.13.0)</p>
  
  <p>Regards,
  Jasdeep Mandia</p>