migrated tests to django_nose
removed deprecated selexe frontend tests
moved frontend tests to own package
first version of scent.py file for the 'sniffer' autotesting tool
tidied up frontend tests and added 'selenium' tag
excluded selenium tests from sniffer
some speed tuning of the tests
speded up some tests
removed the extra test_settings.py file and embedded the relevant part
Merge branch 'feature/test_refactor' into develop