- Added counts of distinct download/view originating countries. ...

- Fixed broken upper bound for year in sql->getAbstractDownload().
- Added grand totals of downloads/views to cumulative country tables.
- Added subtle vertical borders to stats tables.
- Fixed some minor HTML bugs and fixed formatting of "no stats available"
  messages.

- 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).

- Re-added statistics files in a better location.