15/8/2013 Exson: Fixed the no-number warning in TopItems.php and make it html5 compatible.
Make column sortable
15/8/2013 Exson: Make TaxGroups.php html5 compatible.
15/8/2013 Exson: Make the tax category 'Freight' undeleted in TaxCategories.php and make it html5 compatible and table sortable.
15/8/2013 Exson: Make TaxAuthorities.php html5 compatible and table columns sortable.
15/8/2013 Exson: Modify 'manual' to 'manually' in SystemParameters.php to remove the translation frustration and make it html5 compatible.