sebbacon/alaveteli — pull request #259 by jpmckinney (2011-10-11 18:02:19+00:00)
Title: Use flexible binary paths for external commands

If developing on OS X, it is customary to use Homebrew (or other package managers) to install packages like Poppler. However, they do not install to `/usr/bin` but rather `/usr/local/bin` (or even other paths). I've implemented one solution, using `which`, but any solution to this problem would be fine.