bin/setup: Install the necessary Debian packages.

diff --git a/bin/setup b/bin/setup
index 527a17d..dc243a0 100755 (executable)
--- a/bin/setup
+++ b/bin/setup
@@ -1,6 +1,8 @@
 #! /bin/sh
 set -ex
 
+apt-get install python-virtualenv python2.7-dev libffi-dev libaugeas0
+
 user=letsencrypt
 home=$(getent passwd $user | cut -d: -f6)
 cd $home