[openstreetmap-website] Add README links for other components (#425)

[Tom Hughes]

I understand CGImap, but how exactly does Osmosis "provide other services on the OpenStreetMap site"?

---
Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/openstreetmap-website/pull/425#issuecomment-22218890
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/rails-dev/attachments/20130806/90e6c7a0/attachment.html>