[Tile-serving] [osm2pgsql] Add FreeBSD install instructions to README.md (#280)

[Paul Norman]

Merged #280.

---
Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/osm2pgsql/pull/280#event-233520381
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/tile-serving/attachments/20150210/13aa0060/attachment.html>