Migrations for all of our apps.

Fixes #564.
Use fork of south for autofake-first support
'pages' before 'maps' in INSTALLED_APPS for south
Default for field for south initialization
Use --autofake-first for migrates on setup_all
Fix failing tests- caused by south bug.

http://south.aeracode.org/ticket/520
Merge pull request #577 from philipn/migrations_for_all_apps

Migrations for all apps