created Campus model, migrate and a few form changes
fix pep8; fix form class init
Merge branch 'master' into campus-3154
rename migration
campus form field
fix signup form layout
fix signup completion form layout
Merge branch 'master' into campus-3154
reorders
ordering working and all fields of the right type

had to update requirements to support jsonfields as text on the
database, and the last migration repeats an old one to add
groups/permissions
Merge branch 'master' into campus-3154
fix migration so that users continues with their groups
Merge branch 'master' into campus-3154
fixes an exception and change the contact email
Merge branch 'campus-3154'
revert rename
udpate pt_BR tranlation
hide facebook connect in ifsul theme
fix lines on forum layout
fix forum lines layout on if theme