set CRAN repos to avoid a weird error reported by Pat
set CRAN repos to avoid a weird error reported by Pat

fboehm/cboettig_site,fboehm/labnotebook,fboehm/cboettig_site,fboehm/labnotebook,antass/labnotebook3,fboehm/labnotebook,antass/labnotebook3,fboehm/cboettig_site,fboehm/labnotebook,fboehm/cboettig_site,fboehm/cboettig_site,antass/labnotebook3,fboehm/labnotebook,fboehm/labnotebook