iplots need the X11 DISPLAY variable
add a missing_latex() function to find out the missing LaTeX packages automatically
write a version of pdflatex that calls the real pdflatex but also tries to automatically download and install missing packages
set PDFLATEX variable for R, so it can pick up my version of pdflatex
two more recipes for optparse and RNetCDF
a shell script for obtaining all travis logs
add a function to find packages that probably have errored in the log file
split_pkgs() should return unique names
even when the package does not need to be compiled, we may still need to install its dependencies, e.g. argparse depends on rst2pdf
the only packages also use matrix
submit fewer packages to check
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