Added getLocation() and getLocationEncoded() which reconstruct the URL
used to make this request (complete with query parameters if there are
any). Modified UserManager to use getLocationEncoded() rather than doing
it itself.
git-svn-id: https://samskivert.googlecode.com/svn/trunk@127 6335cc39-0255-0410-8fd6-9bcaacd3b74c