Added behave only tests using
--testrunner='django_behave.runner.DjangoBehaveOnlyFeatures'
Merge https://github.com/CampusBellhops/django-behave

Conflicts:
	django_behave/runner.py
Merge pull request #4 from uzarubin/master

Added behave only tests using --testrunner='django_behave.runner.DjangoBehaveOnlyFeatures'