Add basic setup for FreeBSD

bootstrap/freebsd.sh

@@ -0,0 +1,8 @@
+#!/bin/sh -xe
+
+pkg install -Ay \
+  git \
+  python \
+  py27-virtualenv \
+  augeas \
+  libffi \

docs/using.rst

@@ -102,6 +102,21 @@ Centos 7
    sudo ./bootstrap/centos.sh
 
 
+FreeBSD
+-------
+
+.. code-block:: shell
+
+   sudo ./bootstrap/centos.sh
+
+Bootstrap script for FreeBSD uses ``pkg`` for package installation,
+i.e. it does not use ports.
+
+FreeBSD by default uses ``tcsh``. In order to activate virtulenv (see
+below), you will need a compatbile shell, e.g. ``pkg install bash &&
+bash``.
+
+
 Installation
 ============