Initialize togglers using jQuery.
Include all ticket details in the ticket editing page.
Return to the proper page after editing a ticket.

Use an 'src' parameter with the previous active page.
Convert "all tickets" table to use JS sorting.

- Use "stupid table" on demand.
- Provide machine-sortable values for all fields.
- Remove extra details (moved previously to the "edit ticket" page)
- Remove "edit ticket" icon (edit by clicking on the file name)