Merge branch 'master' of git://github.com/tomchristie/django-rest-framework into patch-support
Update HyperlinkedForeignKeyTests to match PKForeignKeyTests
Update release notes
Merge pull request #540 from maspwr/m2m-related

Don't persist relation changes in ModelSerializer#restore_object()
Merge branch 'patch-support' of https://github.com/ahankinson/django-rest-framework into patch
Keep API backwards compatible.
Added `RetrieveUpdateAPIView`
Merge branch 'patch'
Added @ahankinson, for PATCH support. Thanks!
Fix "default" and partial serializers, fixes #532
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Merge remote-tracking branch 'reference/py3k' into p3k
Merge remote-tracking branch 'reference/py3k' into p3k
Exclude non python 3 compatible django verison from the test matrix.
Add `.patch()` method for `RetrieveUpdateAPIView`
urlparse not used here.
Fixed unicode errors.
Use new exception style
Move the urlparse lib compatibility to the compat file.
Regression test for #542