[openstreetmap-website] fixes for trac #4730 (also #4748) (#216)

[Eric Theise]

@tomhughes all the irrelevant changes have been removed from the pull request, and this should cover everything in #4748 up to the UTM example.

---
Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/openstreetmap-website/pull/216#issuecomment-14242207
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/rails-dev/attachments/20130228/9f3d0707/attachment.html>