- Stats page now looks up the eprint title on the fly from the repository if ...

it isn't in the stats database already (only needed if the eprint hasn't
  been downloaded yet).

- Added intelligent navigation bars. ...

- Made all paths relative.

- Added makefile. ...

- Removed redundant and duplicated files.
- Added database function to retrieve date stats were last generated, and
  included this in the header.
- Made styling consistent with otago_eprints.

- Re-added statistics files in a better location.