Merge tag 'v2.14.0' into develop

release/v2.14.0
Migrations update from South to django 1.7
Migrations update from South to django 1.7
mix fixes for pytest support
fix get_next_occurrence timezone issue
add comments for random test
Merge tag 'v2.14.1' into develop

release v2.14.1
fix appointment when num_attempt is not initiate properly
Merge tag 'v2.14.2' into develop

release v2.14.2
Merge tag 'v2.14.3' into develop

version 2.14.3
Merge tag 'v2.14.4' into develop

release v2.14.4
fix migrations for django1.7
change branch to develop
change branch to develop
add missing migrations for django1.7
fix Gunicorn depreciation of gunicorn_django
add new wsgi
change branch to develop
fix header css on django admin dashboard
more south deps