Added new "My submissions" filter to translate page.
Added missing semicolons.
Moved get_stats_headings to a more sensible location.
Moved last activity string into get_stats_headings.
Display total number of words in the relevant tables.
Removed a bunch of unused code.
Coding style cleanup.
Moved stats_descriptions to a more sensible location.
Moved dispatch to a more sensible location.
Renamed item_dict, moved to a more sensible place.
Removed unnecessary request parameter.
get_children belongs to the file/dir browser.
Moved the browser-related code to the common app.
Refactored browsing tables.

No more repetitive markup. Ideally index and project listing tables should be
adapted to use this method.
Implemented a inclusion tag for displaying the tables.

This will be necessary in order to display more than one table in a single page.
Reused tables for the index and projects pages.
Removed unnecessary parameters.