factor out `sudo apt-get install -qq`, and make RECIPES three columns: package, repo, and deb
let the logs be noisy
reduce packages
roxygenize
yihui updated branch pkg/knitr Wed Oct  8 21:22:42 CDT 2014
yihui updated branch pkg/knitr Thu Oct  9 02:35:08 CDT 2014
yihui updated branch pkg/knitr Thu Oct  9 12:23:33 CDT 2014
yihui updated branch pkg/knitr Thu Oct  9 14:26:57 CDT 2014
yihui updated branch pkg/knitr Thu Oct  9 16:52:41 CDT 2014
yihui updated branch pkg/knitr Thu Oct  9 19:56:41 CDT 2014
yihui updated branch pkg/knitr Thu Oct  9 20:51:58 CDT 2014