- Switched navigation bars to use global actions/includes array in ...

inc.vars.es_src.php instead of manually including files.
- Fixed a display bug with the "Last year" navigation bar item that caused
  it to erroneiously highlight "Last year" when you were actually viewing
  a single month from last year.

- 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.

- Switched to different country codes for different classes of local traffic, ...

and to fix the problem of download numbers being assigned to the wrong class.

- Added subtle highlighting of alternate rows in stats tables.

- Changed "no downloads" message slightly.

- Added support for listing papers downloaded by country.