craigcitro/r-travis — pull request #59 by krlmlr (2013-11-03 22:00:38+00:00)
Title: install binary R packages with just one apt-get install call -- again

- otherwise the logs just look horrible: e.g.,
https://travis-ci.org/yihui/tikzDevice/builds/13447667, lines 365-700
- runtime penalty is substantial, too