Fix typo in README (logger -> calendarium)
Merge pull request #2 from treyhunner/readme-fix

Fix typo in README (logger -> calendarium)
Merge pull request #1 from treyhunner/test-fixes

Fix setup.py for tests
Remove dict comprehensions (for Python 2.6)
Add tests for Django 1.4 and Django 1.5 to tox
Add Django 1.4 and Django 1.5 tests to Travis