- Michael Frankowski's excellent help text improvements!

- Added missing t() function.  Patch by Stefan.

- Applied Ori's format_plural() patch; see mailing list for details.

  NOTE: some modules in the contributions repository might need to be updated.

- Clean URL patch.

- Fix blocks of throttle and queue module.  Patch by Gerhard.

- Committed Jeremy's incarnation of the statistics module.  Last minutes
  changes include:

    * a couple of coding style changes, renamed some "stats" into
      "statistics", etc.

    * removed the "Who's online" block from the user module.

    * added db_affected_rows() to the resp. database abstraction
      layers and made the statistics module use db_affected_rows()
      instead.

    * added update logic to "update.php".