Fixed Python3 string comparison. Ditched Django 1.3 testing support. Updated all Django versions. Added Django 1.6 tests.
Get 1.6 tests working again
Fix Python 3 tests

Changed response content bytes -> str

Changed the test to compare the json dictionary result rather than just
the text, to avoid dict-ordering test failures.
Merge branch 'develop' into test-coverage
Python3ify code, make tests Py3 compatible