Merge pull request #378 from pinax/version-3.3.2

Update changelog and bump version to 3.3.2

Merge pull request #373 from pinax/version-3.3.1

Include migrations and bump version to 3.3.1

Performance fix to admin classes

Merge pull request #372 from blag/ready-version-3.3

Ready version 3.3

Fix typo

3.1.0

3.0.4 - missed a thing

Fix deprecations

Bump to 3.0.1