Added a field for writing additional reasons.
The field is hidden by default just as reject reason and paid on and
will popup togheter with rejectreason element when "Rejected" status
is selected.
Removed the span element that showed 123 from the input element.
Because of a misunderstanding possibility when writing vendor number this choice
has been made.
Better format for mailvendor field.
Now is aligned with the rest of the form.
Added checkbox choices to mark the action made by the user.
This information will be stored into the DB as well.
Added a new element to attach a file to the form.
Changed all the classe "col-lg-2" to "col-lg-3" to have a better centre
for all form elements.