FIX #20, FIX #19, FIX #18, FIX17 - All in one

FIX #20 - BUG - Link to uploaded file does not work on the detail of the
protocol
FIX #19 - BUG - The link to "Mostrar comunicaciones con el autor" does
not work
FIX #18 - BUG - Details of the protocol - error on send email to
researcher
FIX #17 - ERRO - Committee reports are not working