Don’t load Raven if in debug mode
Add Unidecode for django-autoslug. Fix #1
Upgrade requirements
Define Python source code encoding
Downgrade DRF
Use awesome-slugify for funky slugs
Tweak tests for Python 2.7 and 3.3
Add python_2_unicode_compatible to models
Revert "Add python_2_unicode_compatible to models"

This reverts commit 6436460653a9db8e215832e052a5f166c107a85c.
Update notifications readme
Re add python_2_unicode_compatible to models