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
Merge branch 'master' into campus-3154
Merge branch 'master' into campus-3154
Merge branch 'campus-3154'