Software Público Brasileiro

Custom fields can be added to any profile through the admin panel
in the 'Fields' section. They have the same behaviour as the current
Noosfero's fields (active, signup, required and privacy).

Signed-off-by: Fabio Teixeira <fabio1079@gmail.com>
Signed-off-by: Gustavo Coelho <gust.rod.coelho@gmail.com>
Signed-off-by: Joenio Costa <joenio@colivre.coop.br>
Signed-off-by: Macartur de Sousa <macartur.sc@gmail.com>
Signed-off-by: Marcos Ramos <ms.ramos@outlook.com>
Signed-off-by: Marcos Ronaldo <marcos.rpj2@gmail.com>
Signed-off-by: Pedro de Lyra <pedrodelyra@gmail.com>
Signed-off-by: Tallys Martins <tallysmartins@gmail.com>