Fix for issue #242 "xunit dies on undefined steps"
Translating an untranslated Norwegian string
Swedish language strings

They were partially based on the Norwegian translation. Norwegian
(Bokmål) is very similar to Swedish.
Print step that failed in verbosity=2
Extract a Reporter class for use in plugins
DotReporter gives you the failing step as well
Scenario Names now uses Reporter
Document Django setup_test_environment

Add to the docs how the harvest command calls setup_test_environment, which changes the email backend.
Raising syntax error for scenarios that don't have a name. closes #304
avoiding `None` filename and line number in step descriptions. It's an attempt to close #204, which seems to happen in windows
releasing 0.2.12 with bugfixes + refactoring in the plugins by @medwards