Python 3 support
Couple of small corrections
Added coveragerc file
Added python 3.2 to travis config
Fixed invalid bash commands in travis config
Fixed exclude list in travis config
Excluded python 3.2+mysql build from travis config
Added python 3.3 to travis config
Added myself to AUTHORS file

[ci skip]
Merge pull request #28 from rafales/python3-support

Python 3 support
2.2.0 changelog, version bump
fixed typo
Added small tutorial about measuring tests' coverage
Updated the contribution page
Merge remote-tracking branch 'rafales/docs-test-coverage'

Conflicts:
	docs/contributing.rst
removed duplicate contribution in TOC
Fixed #30: Added Python version classifiers to setup.py
Use pytest monkeypatch for the settings fixture to play better with django-appconf
2.2.1 release
Optionally allow the usage of django-configurations