All the methods in core.tests.data_factories have been deleted and the tests using those are now using the improved make_test_data method from util.factories.
Curiously the tests are running considerably faster on my machine now

Closes #29.

The project has been refactored so far as the current state of master has been placed under backend/ .
Some changes to the .gitignore and Makefile have been made to accomodate this refactor.

and closes #23. Other minor changes.