Use optgroups in jump-to too

Signed-off-by: emanuele <emanuele45@gmail.com>
Avoid that some important dirs are added as attachments directory

Signed-off-by: emanuele <emanuele45@gmail.com>
Missing elk extension in attachments maintenance

Signed-off-by: emanuele <emanuele45@gmail.com>
Fixed files maintenance and added a missing string (from previous commit)

Signed-off-by: emanuele <emanuele45@gmail.com>
Added another attachments maintenance task that looks for missing extension

Signed-off-by: emanuele <emanuele45@gmail.com>