small changes to tests
Merge branch 'master' of https://github.com/pydanny/dj-libcloud into test_changes
and added some tests
Conflicts:
	requirements-test.txt
	tests/test_models.py
update to tests settings and added recommended things by @syphar
fixed suggestions by @jezdez
test for parse_date from werkezug repository (suggestion by @jezdez)
Merge pull request #13 from galuszkak/test_changes

small changes to tests