Add a map to the changeset list page, with a bounding box for each
changeset and highighting when the mouse is placed over either a box
on the map or a row of the table.
Make any request for a changeset feed with a page argument redirect
to the version with no page argument and ensure that any RSS links on
the HTML version of the changeset list don't have a page argument.
in the description. So adjust the code that creates the changeset
browser title/description to emit a XHTML and plaintext version with
the HTML and Atom output can use, respectively.
Also:
* Split up @title into @title and @heading as elsewhere
* Turn the username on the user / user+bbox browser into a link to the userpage
* Say "Changesets" instead of "Recent changes". Unlike Wikipedia the changes on OSM aren't guaranteed to be recent, they're just going to be the latest
